BMW Automobile Z3 User Manual
433_frontpage  
F
Rz  
1998  
T3  
C2  
R11  
D3  
R12  
BMW Z3 (E36/7)  
Z3 Roadster  
M Roadster  
R9  
R14  
Electrical  
T1  
Troubleshooting  
T2  
R8  
Manual  
Vehicles produced 9/97 thru 8/98  
PN 01 00 0 006 552  
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BMW NA  
ELECTRICAL TROUBLESHOOTING  
MANUAL  
SERIES 3 – E36/7 (Z3 Roadster and M Roadster )  
SCHEMATICS  
MODEL YEAR 1998  
0100.0 INDEX  
6135.0 DRIVE–AWAY PROTECTION  
(EWS II)  
0110.0  
INTRODUCTION  
0140.0 SYMBOLS  
0670.0 POWER DISTRIBUTION CHART  
0670.1 FUSE CHART  
0670.2 POWER DISTRIBUTION  
0670.3 FUSE DETAILS  
6160.1 WIPER/WASHER MODULE (WWM)  
6167.1 HEADLIGHT WASHER (SRA)  
6169.0 WINDSHIELD WASHER JET  
HEATERS  
6211.0  
INSTRUMENT CLUSTER  
0670.4 GROUND DISTRIBUTION  
0670.5 DATA LINK  
6213.3 DIGITAL CLOCK  
6300.0 LIGHT SWITCH DETAILS  
6312.0 HEADLIGHTS/FOG LIGHTS  
6313.0 TURN/HAZARD LIGHTS  
6314.0 PARK/TAIL/UNDERHOOD LIGHTS  
6320.0 LICENSE PLATE/LUGGAGE  
COMPARTMENT LIGHTS  
1210.17 ENGINE CONTROL SYSTEM  
MS41.1 (6–CYLINDER M52/S52)  
1210.20 ENGINE CONTROL SYSTEM  
(DME M5.2, 4–CYLINDER M44)  
1230.0 CHARGING SYSTEM  
1240.0 START  
6322.0 BACK UP LIGHTS  
1290.0 E–BOX FAN  
6325.0 BRAKE LIGHTS  
2460.2 ELECTRONIC TRANSMISSION  
CONTROL (EGS A4S 270R)  
6330.3 INTERIOR LIGHTS  
6332.0 INTERIOR ACCESSORIES  
6350.0 CRASH CONTROL MODULE  
6424.0 REAR WINDOW DEFOGGER  
6450.6 INTEGRATED HEATING– AND  
CLIMATE CONTROL  
3234.0 SUPPLEMENTAL RESTRAINT  
SYSTEM (AIR BAG)  
3450.0 SLIP CONTROL (ABS)  
3450.1 SLIP CONTROL (ABS/ASC)  
3614.0 TIRE INFLATION SYSTEM  
6510.1 RADIO/HIFI  
5116.0  
POWER MIRRORS  
6561.0 CELLULAR TELEPHONE  
(PROVISIONS)  
5126.0 ZKE CENTRAL LOCKING (ZV)  
5133.0 ZKE POWER WINDOWS (FH)  
5200.0 POWER SEATS  
5203.0 HEATED SEATS  
5430.2 ELECTRO–HYDRAULIC  
CONVERTIBLE TOP  
6571.0 CRUISE CONTROL (TEMPOMAT)  
6575.2 ANTI–THEFT SYSTEM (ALPINE)  
6581.3 BOARD COMPUTER (BC – LOW)  
7000.0 COMPONENT LOCATION CHART  
7100.0 COMPONENT LOCATION VIEWS  
8000.0 SPLICE LOCATION VIEWS  
8500.0 CONNECTOR VIEWS  
6100.0 CENTRAL BODY ELECTRONICS  
(ZKE IV)  
6133.0 HORN  
E BMW NA, Woodcliff Lake, NJ  
PART NUMBER 01 00 0 006 552  
ZU-S, Printed in U.S.A.  
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INDEX  
BMW  
Z3  
BLOWER MOTOR, M30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-05  
BLOWER RELAY, K4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-00  
BLOWER RELAY, K4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-05  
BLOWER RESISTORS, R11 . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-00  
BLOWER RESISTORS, R11 . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-05  
BLOWER SWITCH, S75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-00  
BLOWER SWITCH, S75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-05  
BOARD COMPUTER (BC – LOW) . . . . . . . . . . . . . . . . . . . 6581.3-00  
BOARD COMPUTER (BC – LOW), A35y . . . . . . . . . . . . . . 6581.3-00  
CIGAR LIGHTER LIGHT, FRONT, E29 . . . . . . . . . . . . . . . . 6300.0-01  
CIGAR LIGHTER LIGHT, FRONT, E29 . . . . . . . . . . . . . . . . 6332.0-00  
CIGAR LIGHTER, FRONT, E28 . . . . . . . . . . . . . . . . . . . . . . 6332.0-00  
CLUTCH SWITCH, S32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6571.0-01  
COMBINATION SWITCH, S7 . . . . . . . . . . . . . . . . . . . . . . . . 6313.0-00  
COMPONENT LOCATION CHART . . . . . . . . . . . . . . . . . . . . . . 7000.0  
COMPONENT LOCATION VIEWS . . . . . . . . . . . . . . . . . . . . . . 7100.0  
COMPRESSOR CONTROL RELAY, K19 . . . . . . . . . . . . . . 6450.6-02  
COMPRESSOR CONTROL RELAY, K19 . . . . . . . . . . . . . . 6450.6-07  
COMPRESSOR MAIN SWITCH, S232 . . . . . . . . . . . . . . . . 3614.0-00  
COMPRESSOR RELAY, K6394 . . . . . . . . . . . . . . . . . . . . . . 3614.0-00  
CONNECTOR VIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8500.0  
CONTACT RING, C101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3234.0-00  
CONVERTIBLE TOP ACTUATING SWITCH, S143 . . . . . 5430.2-01  
BODY ELECTRONICS CONTROL MODULE (ZKE IV),  
A104 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6100.0  
BRAKE FLUID LEVEL SWITCH, B18 . . . . . . . . . . . . . . . . . 6211.0-00  
BRAKE LIGHT SWITCH, S30 . . . . . . . . . . . . . . . . . . . . . . . . . . . 6325.0  
BRAKE LIGHT, LEFT, H24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6325.0  
BRAKE LIGHT, RIGHT, H31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6325.0  
BRAKE LIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6325.0  
BRAKE PAD SENSOR, LEFT FRONT, B16 . . . . . . . . . . . . 6211.0-01  
BRAKE PAD SENSOR, RIGHT REAR, B17 . . . . . . . . . . . 6211.0-01  
CONVERTIBLE TOP END–POSITION MICRO SWITCH,  
S164 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5430.2-01  
CONVERTIBLE TOP MOTOR, M101 . . . . . . . . . . . . . . . . . 5430.2-00  
CONVERTIBLE TOP RELAY I (CLOSE), K18363 . . . . . . 5430.2-00  
CONVERTIBLE TOP RELAY II (OPEN), K18364 . . . . . . . 5430.2-00  
CRANKSHAFT POSITION/RPM SENSOR, B6203 . . . . 1210.17-06  
CRANKSHAFT POSITION/RPM SENSOR, B6203 . . . . 1210.20-04  
CRASH CONTROL MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . 6350.0  
CRASH CONTROL MODULE, N17 . . . . . . . . . . . . . . . . . . . 6350.0-01  
CRUISE CONTROL (TEMPOMAT) . . . . . . . . . . . . . . . . . . . . . . 6571.0  
CRUISE CONTROL ACTUATOR (TEMPOMAT), M25 . . . 6571.0-01  
CRUISE CONTROL MODULE (TEMPOMAT), A8 . . . . . . . . . 6571.0  
CRUISE CONTROL SWITCH, S28 . . . . . . . . . . . . . . . . . . . 6571.0-00  
DATA LINK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0670.5  
CAMSHAFT POSITION SENSOR  
(CYLINDER IDENTIFICATION), B6204 . . . . . . . . . . . . . 1210.17-06  
CD CHANGER, N22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6510.1  
CELLULAR TELEPHONE (PROVISIONS) . . . . . . . . . . . . 6561.0-00  
CENTRAL BODY ELECTRONICS (ZKE IV) . . . . . . . . . . . . . . 6100.0  
CHARCOAL FILTER SHUT–OFF VALVE, B6247 . . . . . . 1210.17-04  
CHARCOAL FILTER SHUT–OFF VALVE, B6247 . . . . . . 1210.20-02  
CHARGING SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1230.0-00  
CHIME MODULE, H10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6211.0-06  
CIGAR LIGHTER CONNECTION, E28a . . . . . . . . . . . . . . . 3614.0-00  
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INDEX  
BMW  
Z3  
DATA LINK CONNECTOR, D100 . . . . . . . . . . . . . . . . . . . . . . . . 0670.5  
DEFOGGER I, REAR, E9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6424.0  
DIGITAL CLOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6213.3-00  
DIGITAL CLOCK, A110 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6213.3-00  
DOOR JAMB SWITCH, DRIVER’S, S14 . . . . . . . . . . . . . . 5126.0-01  
DOOR JAMB SWITCH, PASSENGER’S, S13 . . . . . . . . . . 5126.0-01  
DOOR LOCK MOTOR, DRIVER’S, M12 . . . . . . . . . . . . . . 5126.0-02  
DOOR LOCK MOTOR, PASSENGER’S, M13 . . . . . . . . . . 5126.0-02  
DOOR LOCK SWITCH, DRIVER’S, S47 . . . . . . . . . . . . . . 5126.0-00  
DOOR LOCK SWITCH, PASSENGER’S, S49 . . . . . . . . . 5126.0-00  
DOUBLE TEMPERATURE SWITCH, S36y . . . . . . . . . . . . 6450.6-04  
DRIVE–AWAY PROTECTION (EWS II) . . . . . . . . . . . . . . . . . . 6135.0  
ENGINE CONTROL SYSTEM  
DUAL TEMPERATURE SENSOR  
(COOLANT TEMPERATURE), B6256 . . . . . . . . . . . . . . 1210.17-02  
E–BOX FAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1290.0-00  
E–BOX FAN, M6506 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1290.0-00  
ELECTRICAL COMPRESSOR, M805 . . . . . . . . . . . . . . . . 3614.0-00  
ELECTRO–HYDRAULIC CONVERTIBLE TOP . . . . . . . . . . . 5430.2  
ELECTRONIC IMMOBILIZER CONTROL MODULE  
(EWS II), A836 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6135.0  
ELECTRONIC TRANSMISSION CONTROL  
(EGS A4S 270R) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2460.2  
ENGINE CONTROL MODULE (DME), A6000 . . . . . . . . . . . . 1210.17  
ENGINE CONTROL MODULE (DME), A6000 . . . . . . . . . . . . 1210.20  
ENGINE CONTROL MODULE RELAY, K6300 . . . . . . . . 1210.17-00  
ENGINE CONTROL MODULE RELAY, K6300 . . . . . . . . 1210.20-00  
ENGINE CONTROL RELAY (ABS/ASC),  
K94 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3450.1-10  
INDEX  
BMW  
Z3  
FUEL INJECTION VALVE, CYL. 4, Y6104 . . . . . . . . . . . . 1210.17-01  
FUEL INJECTION VALVE, CYL. 4, Y6104 . . . . . . . . . . . . 1210.20-01  
FUEL INJECTION VALVE, CYL. 5, Y6105 . . . . . . . . . . . . 1210.17-01  
FUEL INJECTION VALVE, CYL. 6, Y6106 . . . . . . . . . . . . 1210.17-01  
FUEL PUMP RELAY, K6301w . . . . . . . . . . . . . . . . . . . . . . 1210.17-10  
FUEL PUMP RELAY, K6301w . . . . . . . . . . . . . . . . . . . . . . 1210.17-11  
FUEL PUMP RELAY, K6301w . . . . . . . . . . . . . . . . . . . . . . 1210.20-02  
FUEL PUMP, M2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1210.17-10  
FUEL PUMP, M2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1210.17-11  
FUEL PUMP, M2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1210.20-02  
FUEL SENSOR, B6y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6211.0-05  
FUEL TANK PRESSURE SENSOR, B65 . . . . . . . . . . . . . 1210.17-04  
FUEL TANK PRESSURE SENSOR, B65 . . . . . . . . . . . . . 1210.20-05  
FUSE CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0670.1  
FUSE DETAILS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0670.3  
GEAR SHIFT LEVER INDICATOR, E96 . . . . . . . . . . . . . . . 6300.0-01  
GENERATOR, G6509 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1230.0  
GROUND DISTRIBUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0670.4  
HALL EFFECT CAMSHAFT SENSOR, B6209 . . . . . . . . 1210.20-04  
HARD TOP CONNECTOR 1, E99 . . . . . . . . . . . . . . . . . . . . . . . 6424.0  
HAZARD FLASHER RELAY, K16 . . . . . . . . . . . . . . . . . . . . 6313.0-00  
HAZARD SWITCH, S18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6313.0-01  
HEADLIGHT WASHER (SRA) . . . . . . . . . . . . . . . . . . . . . . . 6167.1-00  
HEADLIGHT, LEFT, E7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6312.0-01  
HEADLIGHT, RIGHT, E8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6312.0-01  
HEADLIGHT/FOG LIGHT WASHER PUMP, M7 . . . . . . . . 6160.1-00  
HEADLIGHT/FOG LIGHT WASHER PUMP, M7 . . . . . . . . 6167.1-00  
HEADLIGHTS/FOG LIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . 6312.0  
HEAT/A/C CONTROL PANEL ILLUMINATION, E105 . . . 6300.0-02  
HEAT/A/C CONTROL PANEL ILLUMINATION, E105 . . . 6300.0-03  
HEAT/A/C CONTROL PANEL ILLUMINATION, E106 . . . 6300.0-02  
INDEX  
BMW  
Z3  
IGNITION COIL, CYL. 3, T6153 . . . . . . . . . . . . . . . . . . . . . 1210.17-03  
IGNITION COIL, CYL. 3, T6153 . . . . . . . . . . . . . . . . . . . . . 1210.20-03  
IGNITION COIL, CYL. 4, T6154 . . . . . . . . . . . . . . . . . . . . . 1210.17-03  
IGNITION COIL, CYL. 4, T6154 . . . . . . . . . . . . . . . . . . . . . 1210.20-03  
IGNITION COIL, CYL. 5, T6155 . . . . . . . . . . . . . . . . . . . . . 1210.17-03  
IGNITION COIL, CYL. 6, T6156 . . . . . . . . . . . . . . . . . . . . . 1210.17-03  
IGNITION SWITCH, S2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0670.2-04  
INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0100.0  
INSTRUMENT CLUSTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6211.0  
INSTRUMENT CLUSTER, A2w . . . . . . . . . . . . . . . . . . . . . . . . . 6211.0  
KNOCK SENSOR, B6240 . . . . . . . . . . . . . . . . . . . . . . . . . . 1210.20-05  
LICENSE PLATE LIGHT, LEFT, E43 . . . . . . . . . . . . . . . . . . 6320.0-00  
LICENSE PLATE LIGHT, RIGHT, E44 . . . . . . . . . . . . . . . . 6320.0-00  
LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS 6320.0-00  
LIGHT ASSEMBLY, LEFT REAR, E16 . . . . . . . . . . . . . . . . 0670.4-13  
LIGHT ASSEMBLY, RIGHT REAR, E17 . . . . . . . . . . . . . . . 0670.4-13  
LIGHT SWITCH DETAILS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6300.0  
LIGHT SWITCH, S8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6300.0-00  
LOW BEAM LIGHT RELAY, K48 . . . . . . . . . . . . . . . . . . . . . 6312.0-01  
LOW BEAM LIGHT, LEFT, E13 . . . . . . . . . . . . . . . . . . . . . . 6312.0-01  
LOW BEAM LIGHT, RIGHT, E14 . . . . . . . . . . . . . . . . . . . . . 6312.0-01  
LOW RANGE SPEAKER, LEFT FRONT, H58 . . . . . . . . . . 6510.1-02  
LOW RANGE SPEAKER, RIGHT FRONT, H51 . . . . . . . . 6510.1-02  
LUGGAGE COMPARTMENT LIGHT SWITCH, S826 . . . 6320.0-00  
LUGGAGE COMPARTMENT LIGHT, E32 . . . . . . . . . . . . . 6320.0-00  
LUGGAGE COMPARTMENT LOCK MOTOR, M17 . . . . . 5126.0-03  
MARKER LIGHT, LEFT FRONT, E21 . . . . . . . . . . . . . . . . . 6314.0-01  
MARKER LIGHT, RIGHT FRONT, E22 . . . . . . . . . . . . . . . . 6314.0-01  
MID–HIGH RANGE SPEAKER, REAR LEFT, H55z . . . . . 6510.1-01  
MID–HIGH RANGE SPEAKER, REAR RIGHT, H54z . . . 6510.1-01  
MIDRANGE SPEAKER, LEFT FRONT, H55 . . . . . . . . . . . 6510.1-01  
MIDRANGE SPEAKER, RIGHT FRONT, H54 . . . . . . . . . . 6510.1-02  
MIRROR CONTROL SWITCH, S17 . . . . . . . . . . . . . . . . . . 5116.0-00  
MIRROR, DRIVER’S SIDE, Y5 . . . . . . . . . . . . . . . . . . . . . . . 5116.0-01  
MIRROR, PASSENGER’S SIDE, Y6 . . . . . . . . . . . . . . . . . . 5116.0-01  
NORMAL SPEED RELAY, K21 . . . . . . . . . . . . . . . . . . . . . . . 6450.6-03  
NORMAL SPEED RELAY, K21 . . . . . . . . . . . . . . . . . . . . . . . 6450.6-04  
NORMAL SPEED RELAY, K21 . . . . . . . . . . . . . . . . . . . . . . . 6450.6-08  
INTAKE AIR RESONANCE CHANGEOVER VALVE,  
Y6131 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1210.20-01  
INTAKE AIR TEMPERATURE SENSOR, B6205 . . . . . . 1210.17-02  
INTAKE AIR TEMPERATURE SENSOR, B6205 . . . . . . 1210.20-05  
INTEGRATED HEATING– AND CLIMATE CONTROL . . . . . 6450.6  
INTERIOR ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . 6332.0-00  
INTERIOR LIGHT SWITCH, S408 . . . . . . . . . . . . . . . . . . . . 6330.3-00  
INTERIOR LIGHT, FRONT LEFT, E800 . . . . . . . . . . . . . . . 6330.3-00  
INTERIOR LIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6330.3-00  
INTERMEDIATE PRESSURE SWITCH, B9 . . . . . . . . . . . . 6450.6-03  
INTERMEDIATE PRESSURE SWITCH, B9 . . . . . . . . . . . . 6450.6-04  
INTERMEDIATE PRESSURE SWITCH, B9 . . . . . . . . . . . . 6450.6-08  
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0110.0  
JET HEATER THERMOSWITCH, S198 . . . . . . . . . . . . . . . 6169.0-00  
JUMPER PLUG, B900 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6571.0-01  
KICK–DOWN SWITCH, S8507 . . . . . . . . . . . . . . . . . . . . . . 2460.2-02  
KICK–DOWN SWITCH, S8507 . . . . . . . . . . . . . . . . . . . . . . 2460.2-06  
KNOCK SENSOR, B6240 . . . . . . . . . . . . . . . . . . . . . . . . . . 1210.17-06  
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INDEX  
BMW  
Z3  
OBD II CONNECTOR, D110 . . . . . . . . . . . . . . . . . . . . . . . . . 0670.5-05  
OIL PRESSURE SWITCH, B6231 . . . . . . . . . . . . . . . . . . . . 6211.0-02  
OIL TEMPERATURE GAUGE, B59 . . . . . . . . . . . . . . . . . . . 6211.0-07  
OIL TEMPERATURE SENSOR, B6238 . . . . . . . . . . . . . . . 6211.0-07  
POWER MIRRORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5116.0  
POWER SEATS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5200.0  
POWER WINDOW SWITCH, DRIVER’S, S126y . . . . . . . 5133.0-01  
POWER WINDOW SWITCH, PASSENGER’S, S127y . . . 5133.0-01  
PRESSURE SWITCH, B8y . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-03  
PRESSURE SWITCH, B8y . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-04  
PRESSURE SWITCH, B8y . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-08  
PRESSURE SWITCH, B9508 . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-03  
PRESSURE SWITCH, B9508 . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-04  
PRESSURE SWITCH, B9508 . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-08  
PROGRAM SWITCH, S8503 . . . . . . . . . . . . . . . . . . . . . . . . 2460.2-03  
PROGRAM SWITCH, S8503 . . . . . . . . . . . . . . . . . . . . . . . . 2460.2-07  
ON–BOARD COMPUTER TEMPERATURE SENSOR,  
B21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6581.3-00  
OXYGEN SENSOR  
(BEHIND CATALYTIC CONVERTER), B62002 . . . . . . 1210.20-04  
OXYGEN SENSOR  
(BEHIND CATALYTIC CONVERTER), B6220y . . . . . . . 1210.17-10  
OXYGEN SENSOR  
(IN FRONT OF CATALYTIC CONVERTER), B62001 . 1210.20-04  
OXYGEN SENSOR  
(IN FRONT OF CATALYTIC CONVERTER), B6210y . 1210.17-10  
PYROTECHNICAL BELT TENSIONER, DRIVER’S SIDE,  
G12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3234.0-00  
OXYGEN SENSOR I  
(BEHIND CATALYTIC CONVERTER), B62102 . . . . . . 1210.17-11  
PYROTECHNICAL BELT TENSIONER,  
PASSENGER’S SIDE, G13 . . . . . . . . . . . . . . . . . . . . . . . . 3234.0-00  
OXYGEN SENSOR I  
RADIO ANTI–THEFT SWITCH, S20w . . . . . . . . . . . . . . . . 6575.2-00  
RADIO, N9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6510.1  
RADIO/HIFI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6510.1  
REVERSING LIGHT SWITCH, S8511 . . . . . . . . . . . . . . . . 6322.0-00  
SEAT BELT SWITCH, DRIVER’S, S58 . . . . . . . . . . . . . . . . 3234.0-02  
SEAT BELT SWITCH, PASSENGER’S, S59 . . . . . . . . . . . 3234.0-02  
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 . . . . . 5200.0-00  
SEAT CONTROL SWITCH, DRIVER’S SEAT, S51 . . . . . 5200.0-02  
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 . 5200.0-01  
SEAT CONTROL SWITCH, PASSENGER’S SEAT, S56 . 5200.0-03  
SEAT HEATER SWITCH, DRIVER’S SEAT, S53 . . . . . . . . . . 5203.0  
SEAT HEATER SWITCH, PASSENGER’S SEAT, S54 . . . . . 5203.0  
(IN FRONT OF CATALYTIC CONVERTER), B62101 . 1210.17-11  
OXYGEN SENSOR II  
(BEHIND CATALYTIC CONVERTER), B62202 . . . . . . 1210.17-11  
OXYGEN SENSOR II  
(IN FRONT OF CATALYTIC CONVERTER), B62201 . 1210.17-11  
PARK BRAKE SWITCH, S31 . . . . . . . . . . . . . . . . . . . . . . . . 6211.0-00  
PARK LIGHT, LEFT, E15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6314.0-01  
PARK LIGHT, RIGHT, E19 . . . . . . . . . . . . . . . . . . . . . . . . . . . 6314.0-01  
PARK/TAIL/UNDERHOOD LIGHTS . . . . . . . . . . . . . . . . . . . . . 6314.0  
POWER DISTRIBUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0670.2  
POWER DISTRIBUTION BOX, FRONT, P90 . . . . . . . . . . . . . 0670.2  
POWER DISTRIBUTION CHART . . . . . . . . . . . . . . . . . . . . . . . 0670.0  
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INDEX  
BMW  
Z3  
SEAT HEATER, DRIVER’S, E57 . . . . . . . . . . . . . . . . . . . . . . . . 5203.0  
SEAT HEATER, PASSENGER’S, E58 . . . . . . . . . . . . . . . . . . . 5203.0  
SEAT HEIGHT MOTOR, DRIVER’S, M52 . . . . . . . . . . . . . 5200.0-00  
SEAT HEIGHT MOTOR, DRIVER’S, M52 . . . . . . . . . . . . . 5200.0-02  
SEAT HEIGHT MOTOR, PASSENGER’S, M59 . . . . . . . . 5200.0-01  
SEAT HEIGHT MOTOR, PASSENGER’S, M59 . . . . . . . . 5200.0-03  
SHIFT–LOCK, Y19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2460.2-05  
SIDE IMPACT SENSOR, DRIVER’S, B78 . . . . . . . . . . . . . 3234.0-03  
SIDE IMPACT SENSOR, PASSENGER’S, B79 . . . . . . . . 3234.0-03  
SLIP CONTROL (ABS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3450.0  
SLIP CONTROL (ABS/ASC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3450.1  
SLIP CONTROL MODULE (ABS), A7 . . . . . . . . . . . . . . . . . 3450.0-00  
SLIP CONTROL MODULE (ABS/ASC), A52 . . . . . . . . . . . . . . 3450.1  
SOLENOID VALVE (”RUNNING LOSSES”), Y6550 . . . . 1210.17-05  
SPEED SENSOR – ABS, LEFT FRONT, B2 . . . . . . . . . . . 3450.1-13  
SPEED SENSOR – ABS, LEFT FRONT, B2 . . . . . . . . . . . 3450.0-02  
SPEED SENSOR – ABS, LEFT FRONT, B2 . . . . . . . . . . . 3450.1-02  
SPEED SENSOR – ABS, LEFT FRONT, B2 . . . . . . . . . . . 3450.1-07  
SPEED SENSOR – ABS, LEFT REAR, B4 . . . . . . . . . . . . 3450.1-13  
SPEED SENSOR – ABS, LEFT REAR, B4 . . . . . . . . . . . . 3450.0-02  
SPEED SENSOR – ABS, LEFT REAR, B4 . . . . . . . . . . . . 3450.1-02  
SPEED SENSOR – ABS, LEFT REAR, B4 . . . . . . . . . . . . 3450.1-07  
SPEED SENSOR – ABS, RIGHT FRONT, B1 . . . . . . . . . . 3450.1-13  
SPEED SENSOR – ABS, RIGHT FRONT, B1 . . . . . . . . . . 3450.0-02  
SPEED SENSOR – ABS, RIGHT FRONT, B1 . . . . . . . . . . 3450.1-02  
SPEED SENSOR – ABS, RIGHT FRONT, B1 . . . . . . . . . . 3450.1-07  
SPEED SENSOR – ABS, RIGHT REAR, B3 . . . . . . . . . . . 3450.1-13  
SPEED SENSOR – ABS, RIGHT REAR, B3 . . . . . . . . . . . 3450.0-02  
SPEED SENSOR – ABS, RIGHT REAR, B3 . . . . . . . . . . . 3450.1-02  
SPEED SENSOR – ABS, RIGHT REAR, B3 . . . . . . . . . . . 3450.1-07  
SPLICE LOCATION VIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8000.0  
START . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1240.0  
SEAT LENGTH ADJUST CUT–OFF RELAY, DRIVER’S,  
K921 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5200.0-02  
SEAT LENGTH ADJUST CUT–OFF RELAY,  
PASSENGER’S, K911 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5200.0-03  
SEAT LIMIT SWITCH, DRIVER’S, S910 . . . . . . . . . . . . . . 5200.0-02  
SEAT LIMIT SWITCH, PASSENGER’S, S911 . . . . . . . . . . 5200.0-03  
SEAT MAT, I1008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3234.0-01  
SEAT MOVEMENT MOTOR, DRIVER’S, M51 . . . . . . . . . 5200.0-00  
SEAT MOVEMENT MOTOR, DRIVER’S, M51 . . . . . . . . . 5200.0-02  
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 . . . . 5200.0-01  
SEAT MOVEMENT MOTOR, PASSENGER’S, M60 . . . . 5200.0-03  
SEAT OCCUPANCY DETECTOR, A113 . . . . . . . . . . . . . . 3234.0-01  
SEAT TILT ADJUST CUT–OFF RELAY, DRIVER’S, K920 5200.0-02  
SEAT TILT ADJUST CUT–OFF RELAY, PASSENGER’S,  
K910 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5200.0-03  
SEATBACK HEATER, DRIVER’S, E56 . . . . . . . . . . . . . . . . . . . 5203.0  
SEATBACK HEATER, PASSENGER’S, E59 . . . . . . . . . . . . . . 5203.0  
SECONDARY AIR PUMP RELAY, K6304 . . . . . . . . . . . . 1210.17-05  
SECONDARY AIR PUMP RELAY, K6304 . . . . . . . . . . . . 1210.20-09  
SECONDARY AIR PUMP VALVE, Y6163 . . . . . . . . . . . . 1210.17-05  
SECONDARY AIR PUMP VALVE, Y6163 . . . . . . . . . . . . 1210.20-09  
SHIFT–LOCK,Y19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2460.2-02  
INDEX  
BMW  
Z3  
SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG) . . . . . . 3234.0  
UNLOADER RELAY, TERMINAL 15, K9 . . . . . . . . . . . . . . 6424.0-01  
VALVE RELAY (ABS/ASC), K95 . . . . . . . . . . . . . . . . . . . . . 3450.1-10  
VARIABLE CAMSHAFT CONTROL VALVE 1, Y6275 . . 1210.17-01  
VEHICLE SPEED SENSOR, B10 . . . . . . . . . . . . . . . . . . . . 6211.0-05  
WASHER JET HEATER, LEFT, E51 . . . . . . . . . . . . . . . . . . 6169.0-00  
WASHER JET HEATER, RIGHT, E52 . . . . . . . . . . . . . . . . . 6169.0-00  
WASHER PUMP, M4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6160.1-01  
WASHER PUMP, M4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6160.1-02  
WATER VALVE, Y4z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-01  
WATER VALVE, Y4z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6450.6-06  
WINDOW DEFOGGER SWITCH, REAR, S76 . . . . . . . . . . . . 6424.0  
WINDOW DEFOGGER, REAR . . . . . . . . . . . . . . . . . . . . . . . . . . 6424.0  
WINDOW MOTOR, DRIVER’S, M21 . . . . . . . . . . . . . . . . . . 5133.0-02  
WINDOW MOTOR, PASSENGER’S, M23 . . . . . . . . . . . . . 5133.0-02  
WINDSHIELD WASHER JET HEATERS . . . . . . . . . . . . . . 6169.0-00  
WIPER MOTOR, M3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6160.1-00  
WIPER MOTOR, M3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6160.1-02  
WIPER/WASHER MODULE (LOW II), A64 . . . . . . . . . . . . 6160.1-02  
WIPER/WASHER MODULE (WWM) . . . . . . . . . . . . . . . . . . . . . 6160.1  
WIPER/WASHER MODULE, A51 . . . . . . . . . . . . . . . . . . . . . . . 6160.1  
WIPER/WASHER MODULE, A51 . . . . . . . . . . . . . . . . . . . . 6167.1-00  
WIPER/WASHER SWITCH, S5 . . . . . . . . . . . . . . . . . . . . . . 6160.1-01  
WIPER/WASHER SWITCH, S5 . . . . . . . . . . . . . . . . . . . . . . 6160.1-02  
WOOFER, REAR, H500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6510.1-01  
SUPPLEMENTAL RESTRAINT SYSTEM CONTROL  
MODULE, A12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3234.0  
SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0140.0  
TAIL LIGHT, LEFT, H25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6314.0-01  
TAIL LIGHT, LEFT, H37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6314.0-01  
TAIL LIGHT, RIGHT, H30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6314.0-01  
TAIL LIGHT, RIGHT, H39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6314.0-01  
TEMPERATURE SWITCH, S36 . . . . . . . . . . . . . . . . . . . . . . 6450.6-03  
TEMPERATURE SWITCH, S36 . . . . . . . . . . . . . . . . . . . . . . 6450.6-08  
TEMPERATURE WHEEL SWITCH, S531 . . . . . . . . . . . . . 6450.6-01  
TEMPERATURE WHEEL SWITCH, S531 . . . . . . . . . . . . . 6450.6-06  
THROTTLE POSITION SENSOR, R6252 . . . . . . . . . . . . 1210.17-05  
THROTTLE POSITION SENSOR, R6252 . . . . . . . . . . . . 1210.20-05  
TIRE INFLATION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . 3614.0-00  
TRANSMISSION CONTROL MODULE (EGS), A8500 . . . . . 2460.2  
TRANSMISSION POSITION INDICATOR LIGHT, E82 . . 6300.0-02  
TRANSMISSION VALVE UNIT, Y8505y . . . . . . . . . . . . . . . 2460.2-05  
TRANSMISSION VALVE UNIT, Y8521 . . . . . . . . . . . . . . . . 2460.2-01  
TRANSMITTER MODULE (EWS II), A835 . . . . . . . . . . . . . 6135.0-00  
TURN LIGHT, LEFT FRONT, H7 . . . . . . . . . . . . . . . . . . . . . 6313.0-02  
TURN LIGHT, LEFT REAR, H6 . . . . . . . . . . . . . . . . . . . . . . 6313.0-03  
TURN LIGHT, RIGHT FRONT, H4 . . . . . . . . . . . . . . . . . . . . 6313.0-02  
TURN LIGHT, RIGHT REAR, H5 . . . . . . . . . . . . . . . . . . . . . 6313.0-03  
TURN/HAZARD LIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6313.0  
UNLOADER RELAY, TERMINAL 15, K6326 . . . . . . . . . . 1210.17-02  
UNLOADER RELAY, TERMINAL 15, K6326 . . . . . . . . . . 1210.20-02  
UNLOADER RELAY, TERMINAL 15, K9 . . . . . . . . . . . . . . 5203.0-00  
ZKE CENTRAL LOCKING (ZV) . . . . . . . . . . . . . . . . . . . . . . . . . 5126.0  
ZKE POWER WINDOWS (FH) . . . . . . . . . . . . . . . . . . . . . . . . . . 5133.0  
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0110.0 INTRODUCTION  
BMW  
Z3  
P90  
P91  
F1  
F44  
30A  
Schematics  
FRONT POWER  
DISTRIBUTION  
BOX  
REAR POWER  
DISTRIBUTION  
BOX  
15A  
The schematics divide the entire vehicle electrical system into individual circuits. Interacting  
electrical components are shown on one common schematic.  
FUSE DETAILS  
0670.3  
FUSE DETAILS  
0670.3  
Switches and other components are represented in such a way that their general layout and  
function are self–explicit. They are arranged on the sheet such that the current path can be  
followed from positive (top) to negative (bottom).  
Important: The components and wires are not drawn to scale. For instance, a lead with a length  
of over 1m can be shown as a lead that is only a few cm long. To ensure clear arrangement , all  
connectors, lines branches and connected components from the fuses to the component and  
from the component to ground connection are not shown within the individual cells. If required,  
reference can be made to cells 0670.3 Fuse Details and 0670.4 Ground Distribution where all  
lines are illustrated with all plug connections, line branches and connected components.  
8
6
X293  
K11  
86  
30  
WIPER RELAY  
85  
4
87  
All circuit symbols used are listed and explained in cell 0140.0 Symbols.  
2
X293  
In cell 7000.0 Component Location Chart all important connectors, ground points and  
components are listed in tabular form. It provides a precise description of the component  
locations in the vehicle.  
2.5 VI/SW  
CENTRAL  
BODY  
In cell 7100.0 Component Location Views the location of connectors and components which  
are difficult to locate are shown in line arts or illustrations. In cell 8000.0 Splice Location Views  
all splices are listed in numerical order and illustrations are provided to assist in locating splices  
on larger harnesses. In cell 8500.0 Connector Views diagrams of connectors with more than 2  
pins are illustrated.  
ELECTRONICS  
(ZKE)  
X452  
2.5 VI/SW  
4 VI/SW  
6100.0  
6160.0-02  
Example  
General conventions can be explained based on the following schematic example.  
GROUND  
DISTRIBUTION  
0670.4  
X493  
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INTRODUCTION  
BMW  
Z3  
General Conventions  
1. Switches and relays are always shown in rest position (e.g. K11).  
6. The dashed line with an arrow at splice X452 indicates that several wires  
lead to splice X452. All lines leading to the connection are illustrated in  
cell 6100.0 Central Body Electronics (ZKE). An interrupted line with an  
arrow indicates that only this one wire leads to another circuit.  
2. A component shown in a dashed frame signifies that the component is  
illustrated only in part (e.g. P90 and P91).  
7. The dashed line from pin 4 of connector X293 to ground X493 shows the  
ground supply for relay K11. If required, refer to cell 0670.4 Ground  
Distribution at ground X493 for the complete line progression with all plug  
connections, line branches, wire colors, and cross sections.  
3. A component shown in a completely drawn frame signifies that the  
component is illustrated in full (e.g. K11).  
4. The dashed line between pin 8 and pin 6 of connector X293 indicates  
that both pins belong to connector X293.  
8. The interrupted line from splice X452 with an A in the open arrow is  
continued on page 6160.0–02.  
Termination of wire 4 VI/SW from splice X452 with a wavy line indicates that  
the wire is continued on the opposite page.  
5. The dashed line from fuse F1 to pin 8 of connector X293 shows the  
positive supply of relay K11. If required, refer to cell 0670.3 Fuse Details at  
fuse F1 for the complete line progressing with plug connections, line  
branches, wire colors and cross sections.  
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0140.0 SYMBOLS  
BMW  
Z3  
VARIABLE RESISTANCE  
SENSOR VARIABLE CON-  
TACT IS MOVED BY AN  
EXTERNAL FORCE  
BATTERY  
ANTENNA  
HEATING ELEMENT  
CONTROL/POWER  
ELECTRONICS  
VARIABLE RESISTOR  
RESISTANCE IS  
CHANGED BY  
FUSE DETAILS  
LOUDSPEAKER OR  
HORN  
TEMPERATURE OR  
PRESSURE  
HALL EFFECT  
SENSOR  
DIODE CURRENT  
CAN FLOW ONLY IN  
DIRECTION OF  
ARROW  
FUSIBLE LINK  
LIGHT  
RADIO  
CIRCUIT BREAKER  
ZENER DIODE TO  
TRANSISTORIZED  
SWITCH  
REGULATE VOLTAGE  
PERMANENT MAGNET  
MOTOR ONE SPEED  
31  
THERMO SWITCH  
INDUCTIVE  
LIGHT EMITTING  
DIODE  
N
PERMANENT MAGNET  
MOTOR TWO SPEEDS  
SENSOR  
SOLENOID  
S
SOLENOID CONTROLLED  
VALVE OR CLUTCH  
SOLENOID  
OXYGEN SENSOR  
KNOCK SENSOR  
VEHICLE SPEED  
SENSOR  
N
S
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SYMBOLS  
BMW  
Z3  
ENTIRE COMPONENT  
WIRE INSULATION  
IS ONE COLOR  
SHOWN  
.5 BR  
CONNECTOR REFERENCE  
NUMBER FOR COMPONENT  
LOCATION CHART  
PIN NUMBER  
4
X270  
CONNECTOR  
ATTACHED TO  
COMPONENT LEAD  
(PIGTAIL)  
.5 BR  
PART OF COMPONENT  
SHOWN  
WIRE INSULATION  
IS ONE COLOR  
WITH ANOTHER  
COLOR STRIPE  
(GREEN WITH  
WHITE)  
A WAVY LINE  
MEANS WIRE IS  
CONTINUED  
ONE POLE, TWO  
POSITION SWITCH  
.75 GN/WS  
1
2
COMPONENT WITH  
SCREW TERMINALS  
SWITCHES THAT  
MOVE TOGETHER  
.5 BR  
3
.5 BR  
4
X270  
TWO CONNECTIONS  
(PINS) IN THE SAME  
CONNECTOR  
1
2
1
2
DASHED LINE SHOWS A  
MECHANICAL CONNECTION  
BETWEEN SWITCHES  
.5 BR  
.5 BR  
DASHED LINE INDICATES  
TERMINALS OF THE  
SAME CONNECTOR  
COMPONENT CASE  
ATTACHED  
DIRECTLY TO  
WIRE COLOR  
METAL PART OF  
CAR (GROUNDED)  
BL  
BLUE  
BR  
GE  
BROWN  
YELLOW  
WIRE SIZE IN MM  
SQUARED  
GN  
GR  
GREEN  
GRAY  
WIRE ATTACHED  
TO METAL PART  
OF CAR  
OR  
ORANGE  
CONNECTOR  
ATTACHED TO  
COMPONENT  
.75 BR  
RS  
RT  
SW  
PINK  
(GROUNDED)  
RED  
BLACK  
GROUND NUMBERED  
FOR REFERENCE ON  
COMPONENT LOCATION  
CHART  
X165  
VI  
VIOLET  
WHITE  
WS  
TR  
TRANSPARENT  
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SYMBOLS  
BMW  
Z3  
TERMINAL NUMBER  
THREE POLE,  
FOUR POSITION  
SWITCH  
COMPONENT NUMBER  
NAME OF  
COMPONENT  
RELAY WITH  
4 RT  
CONTACT RELAY  
30  
86  
30  
86  
85  
RESISTOR  
5
ACROSS WINDING  
S2  
30  
IGNITION SWITCH  
0) OFF  
87  
85  
87  
1) ACCESSORY  
0
0
0
2) RUN  
3
3
3
2
2
2
1
1
1
3) START  
1
15I  
3
50  
4
R
2
CONTACT RELAY WITH  
TWO OUTPUTS  
CHANGEOVER  
RELAY WITH TWO  
OUTPUTS  
30  
86  
30  
86  
4 GN  
.5 GN/WS  
2.5 SW/GE  
2.5 VI  
DETAILS ABOUT  
COMPONENT OR  
OPERATION  
2
X33  
7
6
8
87a 87  
85  
87 87 85  
”R” IS ENERGIZED  
IN ACCY, RUN, OR  
START  
TERMINAL  
NUMBER  
DESCRIPTION  
TERMINAL  
NUMBER  
DESCRIPTION  
50  
VOLTAGE: IGNITION  
SWITCH IN START  
15I  
R
VOLTAGE: IGNITION  
SWITCH IN RUN  
TERMINAL  
DESCRIPTION  
NUMBER  
30  
15  
VOLTAGE: SUPPLIED  
AT ALL TIMES  
VOLTAGE: IGNITION  
SWITCH IN ACCESSORY,  
RUN OR START  
30  
RELAY INPUT  
VOLTAGE: IGNITION  
SWITCH IN RUN OR  
START  
31  
GROUND  
85  
RELAY OUTPUT  
(WINDING)  
86  
87  
RELAY INPUT  
(WINDING)  
POWER STATUS  
DESCRIPTION  
VOLTAGE: SUPPLIED  
AT ALL TIMES  
RELAY OUTPUT  
(ENERGIZED)  
F9  
15A  
INDICATES THAT FUSE 9  
IS SUPPLIED WITH  
POWER AT ALL TIMES  
VOLTAGE: IGNITION  
SWITCH IN RUN OR  
START  
87a  
RELAY OUTPUT  
(AT REST)  
VOLTAGE: IGNITION  
SWITCH IN ACCESSORY,  
RUN OR START  
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SYMBOLS  
BMW  
Z3  
A2  
A1  
P90  
F18  
INSTRUMENT  
CLUSTER  
GENERAL MODULE  
FRONT POWER  
15A  
DISTRIBUTION BOX  
RXD  
11  
X16  
2
X332  
FUSE DETAILS  
0670.3  
THE COMPLETE WIRE  
PROGRESSION AND FURTHER  
CIRCUITS CONNECTED TO  
FUSE 18 ARE SHOWN IN CELL  
”0670.3 FUSE DETAILS” AT  
FUSE 18  
.5 WS/GE  
GROUND  
DISTRIBUTION  
0670.4  
CIRCUIT REFERENCE–A  
17  
X252  
WIRE WHICH CONNECTS  
TO ANOTHER CIRCUIT  
N1  
X497  
ANTI–THEFT  
CONTROL MODULE  
(DWA)  
DATA LINK  
0670.5  
THE COMPLETE WIRE  
PROGRESSION AND  
FURTHER CIRCUITS  
CONNECTED TO  
GROUND X497 ARE  
SHOWN IN CELL  
”0670.4 GROUND  
DISTRIBUTION” AT  
GROUND X497  
N9  
RADIO  
0670.0-02  
ARROW SHOWS  
DIRECTION OF  
CURRENT FLOW  
AND IS REPEATED  
WHERE CURRENT  
PATH CONTINUES  
15  
X18126  
1.5 BR  
1.5 BR  
X491  
CURRENT PATH IS  
CONTINUED AS  
LABELED  
0670.0-03  
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0670.0 POWER DISTRIBUTION CHART  
BMW  
FRONT POWER DISTRIBUTION BOX  
Z3  
FUSES  
1
2
3
4
5
6
7
8
9
10  
X0  
K6304  
X6304  
46  
45  
44  
43  
SECONDARY AIR  
PUMP RELAY  
11 12 13 14 15 16 17 18 19 20  
4–CYLINDER  
42  
41  
40  
39  
K2  
X56  
K47  
X44  
K48  
X45  
K16  
X64  
K4  
X58  
HORN RELAY  
FRONT FOG LIGHT  
RELAY  
LOW BEAM LIGHT  
RELAY  
HAZARD FLASHER  
RELAY  
BLOWER RELAY  
K33a *  
X50  
38  
37  
AIR CONDITIONING  
RELAY, MOTRONIC  
36  
35  
34  
K22  
X53  
K19  
X51  
K21  
X52  
HIGH SPEED  
RELAY  
COMPRESSOR  
CONTROL RELAY  
NORMAL SPEED  
RELAY  
K9  
X63  
K10  
X54  
K75  
X1161  
33  
32  
UNLOADER RELAY,  
TERMINAL 15  
ABS RELAY  
ABS PUMP MOTOR  
RELAY  
K94 *  
X18766  
K95 *  
X18767  
31  
ENGINE CONTROL  
RELAY (ABS/ASC)  
VALVE RELAY  
(ABS/ASC)  
21 22 23  
24 25 26 27 28 29 30  
*
M ROADSTER  
FUSES  
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POWER DISTRIBUTION CHART  
BMW  
IN E–BOX  
Z3  
K6326  
X6326  
X6326  
K6326  
UNLOADER RELAY,  
TERMINAL 15  
UNLOADER RELAY,  
TERMINAL 15  
X6304  
K6300  
K6304  
K6300  
X6300  
X6300  
ENGINE CONTROL  
MODULE RELAY  
SECONDARY AIR PUMP  
RELAY  
ENGINE CONTROL  
MODULE RELAY  
6–CYLINDER  
4–CYLINDER  
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POWER DISTRIBUTION CHART  
BMW  
RELAY PANEL UNDER LH SIDE OF DASHBOARD  
Z3  
K6301w  
X6301  
FUEL PUMP RELAY  
N17  
X65  
CRASH CONTROL  
MODULE  
K46  
X10262  
HIGH BEAM LIGHT  
RELAY  
*K46z  
X10262  
DAY LIGHT RELAY  
MODULE  
*
CDN  
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0670.1 FUSE CHART  
BMW  
FUSES 1 TO 29  
FUSE NUMBER  
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29  
Z3  
1
2
3
4
5
6
7
8
9
30A 15A 30A 15A 30A 20A 5A 15A 20A 30A 7.5A 7.5A 5A 30A 15A 5A  
15A 30A 30A 5A 5A 5A 10A 5A 10A 5A 5A 7.5A  
1210.17 ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
1230.0 CHARGING SYSTEM  
D
D
D
D
D
D
D
D
1240.0 START  
1290.0 E–BOX FAN  
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)  
3234.0 SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)  
D
D
D
D
D
D
D
3450.0 SLIP CONTROL (ABS)  
D
D
D
D
3450.1 SLIP CONTROL (ABS/ASC)  
D
5116.0 POWER MIRRORS  
D
5126.0 ZKE CENTRAL LOCKING (ZV)  
5133.0 ZKE POWER WINDOWS (FH)  
5200.0 POWER SEATS  
D
D
D
D
D
5203.0 HEATED SEATS  
D
D
5430.2 ELECTRO–HYDRAULIC CONVERTIBLE TOP  
6100.0 CENTRAL BODY ELECTRONICS (ZKE IV)  
6133.0 HORN  
D
D
6135.0 DRIVE–AWAY PROTECTION (EWS II)  
6160.1 WIPER/WASHER MODULE (WWM)  
D
D
6167.1 HEADLIGHT WASHER (SRA)  
6169.0 WINDSHIELD WASHER JET HEATERS  
D
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FUSE CHART  
BMW  
FUSES 1 TO 29  
Z3  
FUSE NUMBER  
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29  
30A 15A 30A 15A 30A 20A 5A 15A 20A 30A 7.5A 7.5A 5A 30A 15A 5A  
15A 30A 30A 5A 5A 5A 10A 5A 10A 5A 5A 7.5A  
6211.0 INSTRUMENT CLUSTER  
6213.3 DIGITAL CLOCK  
D
D
D
6300.0 LIGHT SWITCH DETAILS  
6312.0 HEADLIGHTS/FOG LIGHTS  
D D  
D D  
D
D
D
D D  
D D  
D
D
6313.0 TURN/HAZARD LIGHTS  
6314.0 PARK/TAIL/UNDERHOOD LIGHTS  
6320.0 LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS  
6322.0 BACK UP LIGHTS  
D
6325.0 BRAKE LIGHTS  
6330.3 INTERIOR LIGHTS  
6332.0 INTERIOR ACCESSORIES  
6350.0 CRASH CONTROL MODULE  
6424.0 REAR WINDOW DEFOGGER  
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL  
D
D
D
D
D
6510.1 RADIO/HIFI  
D
6561.0 CELLULAR TELEPHONE (PROVISIONS)  
6571.0 CRUISE CONTROL (TEMPOMAT)  
6575.2 ANTI–THEFT SYSTEM (ALPINE)  
D
6581.3 BOARD COMPUTER (BC – LOW)  
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FUSE CHART  
BMW  
FUSES 30 TO 49  
FUSE NUMBER  
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49  
Z3  
7.5A 5A 30A 10A 15A 25A 30A 10A 30A 7.5A 30A 15A 5A  
15A 7.5A 15A  
40A 50A  
1210.17 ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
1230.0 CHARGING SYSTEM  
D
1240.0 START  
D
D
D
1290.0 E–BOX FAN  
2460.2 ELECTRONIC TRANSMISSION CONTROL (EGS A4S 270R)  
3234.0 SUPPLEMENTAL RESTRAINT SYSTEM (AIR BAG)  
3450.0 SLIP CONTROL (ABS)  
D D  
D
D
D
3450.1 SLIP CONTROL (ABS/ASC)  
5116.0 POWER MIRRORS  
D
D
5126.0 ZKE CENTRAL LOCKING (ZV)  
5133.0 ZKE POWER WINDOWS (FH)  
5200.0 POWER SEATS  
D
D
D
5203.0 HEATED SEATS  
5430.2 ELECTRO–HYDRAULIC CONVERTIBLE TOP  
6100.0 CENTRAL BODY ELECTRONICS (ZKE IV)  
D
D
D
6133.0 HORN  
6135.0 DRIVE–AWAY PROTECTION (EWS II)  
6160.1 WIPER/WASHER MODULE (WWM)  
D
D
D
D D  
D
6167.1 HEADLIGHT WASHER (SRA)  
D
6169.0 WINDSHIELD WASHER JET HEATERS  
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FUSE CHART  
BMW  
FUSES 30 TO 49  
Z3  
FUSE NUMBER  
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49  
7.5A 5A 30A 10A 15A 25A 30A 10A 30A 7.5A 30A 15A 5A 5A 15A 7.5A 15A  
40A 50A  
6211.0  
6213.3  
INSTRUMENT CLUSTER  
DIGITAL CLOCK  
D
D
D
D
6300.0 LIGHT SWITCH DETAILS  
D
D
6312.0 HEADLIGHTS/FOG LIGHTS  
6313.0 TURN/HAZARD LIGHTS  
D
D
D
6314.0 PARK/TAIL/UNDERHOOD LIGHTS  
6320.0 LICENSE PLATE/LUGGAGE COMPARTMENT LIGHTS  
6322.0 BACK UP LIGHTS  
D
D
D
D
6325.0 BRAKE LIGHTS  
D
6330.3 INTERIOR LIGHTS  
D
D
D
6332.0 INTERIOR ACCESSORIES  
6350.0 CRASH CONTROL MODULE  
6424.0 REAR WINDOW DEFOGGER  
6450.6 INTEGRATED HEATING– AND CLIMATE CONTROL  
6510.1 RADIO/HIFI  
D
D
D D  
D
D
D
6561.0 CELLULAR TELEPHONE (PROVISIONS)  
6571.0 CRUISE CONTROL (TEMPOMAT)  
6575.2 ANTI–THEFT SYSTEM (ALPINE)  
6581.3 BOARD COMPUTER (BC – LOW)  
D
D
D
D
D
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4–CYLINDER  
BMW 0670.2 POWER DISTRIBUTION  
Z3  
X6431  
X6437  
G6430  
B+ JUMP START  
JUNCTION POINT  
6 RT  
P90  
X6430  
X6433  
FRONT POWER  
DISTRIBUTION BOX  
X0  
X2  
2.5 RT  
10 RT  
0670.2-02  
6
X6326  
K6326  
6 RT  
F97  
UNLOADER RELAY,  
TERMINAL 15  
80A  
25 RT  
4 RT  
1210.20  
X6410  
2.5 RT  
50 RT  
6 RT  
1 RT  
26  
4 RT  
8
4 RT  
1 RT  
14  
D100  
X6002  
X6000  
A6000  
6
X6300  
K6300  
DATA LINK  
86  
30  
CONNECTOR  
ENGINE CONTROL  
MODULE (DME)  
ENGINE CONTROL  
MODULE RELAY  
87  
2
1210.20  
1210.20  
X6300  
26  
X8500  
A8500  
2
X6304  
ENGINE CONTROL  
SYSTEM  
K6304  
4 RT/WS  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
SECONDARY AIR  
PUMP RELAY  
X6821  
X20  
(DME M5.2, 4–CYL-  
INDER M44)  
1 RT/WS  
14  
G1  
BATTERY  
1210.20  
2460.2  
1210.20  
.5 RT/WS  
5
X10016  
P90  
F13  
5A  
FRONT POWER  
10 RT  
DISTRIBUTION BOX  
X6512  
M6510  
STARTER  
X6509  
G6509  
GENERATOR  
6
X10016  
30  
B+  
.5 RT/WS/GE  
FUSE DETAILS  
0670.3  
1240.0  
1230.0  
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6–CYLINDER  
POWER DISTRIBUTION  
BMW  
Z3  
P90  
X6415  
X0  
X2  
FRONT POWER  
DISTRIBUTION BOX  
10 RT  
0670.2-02  
10 RT  
4 RT  
X6431  
X6437  
X6432  
G6430  
2.5 RT  
B+ JUMP START  
JUNCTION POINT  
X6413  
X6326  
2.5 RT  
6
X6414  
X6430  
X6433  
K6326  
4 RT  
2
UNLOADER RELAY,  
TERMINAL 15  
6 RT  
6 RT  
25 RT  
16 RT  
X6304  
K6304  
X6512  
X6509  
1210.17  
M6510  
G6509  
30  
B+  
STARTER  
GENERATOR  
SECONDARY AIR  
PUMP RELAY  
1240.0  
1230.0  
1210.17  
D100  
14  
DATA LINK  
F97  
80A  
CONNECTOR  
X6002  
Z3 ROADSTER  
X6411  
2.5 RT  
X6412  
4 RT  
4 RT  
6
4 RT  
8
X6300  
30  
K6300  
86  
ENGINE CONTROL  
MODULE RELAY  
50 RT  
6 RT  
1 RT  
.5 RT  
87  
2
1210.17  
X6300  
4 RT/WS  
X6821  
ENGINE CONTROL  
2.5 RT/WS  
X6822  
SYSTEM MS41.1  
(6–CYLINDER M52/S52)  
1210.17  
1 RT/WS  
14  
G1  
BATTERY  
X20  
.5 RT/WS  
5
X10016  
P90  
F13  
5A  
FRONT POWER  
26  
X8500  
A8500  
26  
X6000  
A6000  
DISTRIBUTION BOX  
TRANSMISSION  
ENGINE CONTROL  
MODULE (DME)  
6
X10016  
CONTROL MODULE  
(EGS)  
.5 RT/WS/GE  
2460.2  
1210.17  
FUSE DETAILS  
0670.3  
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POWER DISTRIBUTION  
BMW  
Z3  
4 RT  
P90  
0670.2-00  
0670.2-01  
FRONT POWER  
DISTRIBUTION BOX  
1
X19023  
P95  
30  
AUXILIARY FUSE  
BOX  
F49  
50A  
X2  
M ROADSTER WITH ASC  
16 RT  
2
X19023  
ELECTRICAL  
CONVERTIBLE TOP  
4–CYLINDER  
X1186  
4 RT  
4 RT  
1
X1588  
X1015  
P97  
6 RT  
4 RT  
6 RT  
30  
AUXILIARY FUSE  
BOX  
2.5 RT  
2.5 RT  
1.5 RT  
F48  
40A  
4 RT  
4 RT  
2.5 RT  
2.5 RT  
Z3 ROADSTER  
0670.2-03  
0670.2-04  
6–CYLINDER  
2
X1588  
2.5 RT  
11  
7
1
X10015  
1
X10030  
15  
30  
19  
30  
X10016  
1
X10034  
17  
30  
19  
30  
X10018  
X10015  
P90  
FRONT POWER  
DISTRIBUTION BOX  
30  
14  
30  
F37  
10A  
30  
30  
30  
30  
30  
30  
30  
30  
30  
F32  
30A  
30  
F33  
10A  
30  
F34  
15A  
30  
F18  
15A  
F1  
F7  
5A  
F8  
F9  
20A  
F10  
30A  
F20  
30A  
F31  
5A  
F35  
25A  
F36  
30A  
F38  
30A  
F39  
F40  
30A  
F4  
F6  
30A  
15A  
7.5A  
15A 20A  
8
12  
1.5 RT/VI  
2.5 RT/BR  
X10015  
X10016  
18  
20  
X10018  
2
16  
14  
16  
18  
20  
X10015  
20  
2
4
6
8
10  
12  
16  
LATE PRODUCTION  
4 RT/  
WS  
4 RT/  
GE  
.75 RT/  
GN  
1 RT/ 2.5 RT/ 2.5 RT/  
WS/GE WS BL  
2.5 RT  
4 RT/GN  
.5 RT/GE  
2.5 RT/  
SW/WS  
1 RT/  
WS WS/GE  
1.5 RT/  
2.5 RT/  
GN/GE  
2.5 RT/ 1.5 RT/  
BL/GE BL  
2.5 RT/ .75 RT/  
GN GR  
2.5 RT/  
GN  
4 RT/GN  
FUSE DETAILS  
0670.3  
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POWER DISTRIBUTION  
BMW  
Z3  
0670.2-02  
6 RT  
X1073  
X64129  
2.5 RT  
4 RT  
X64109  
6 RT  
X64119  
Z3 ROADSTER  
1.5 RT  
1.5 RT  
6
2.5 RT  
6
.75 RT  
6
X10262  
X44  
K47  
X45  
K46  
K48  
HIGH BEAM LIGHT  
RELAY  
FRONT FOG LIGHT  
RELAY  
LOW BEAM LIGHT  
RELAY  
18  
X10182  
A104  
K46z  
87  
X45  
87  
2
87  
2
DAY LIGHT RELAY  
MODULE  
BODY  
X44  
2
X10262  
ELECTRONICS  
CONTROL MODULE  
(ZKE IV)  
CDN  
6100.0  
6330.3  
2.5 RT/WS  
1.5 RT  
1 RT/GE  
2.5 GE  
2.5 RT  
2.5 RT  
2.5 RT  
2.5 RT  
1
X10036  
56a  
3
X10015  
9
X10016  
1
X10035  
17  
X10016  
5
9
X10015  
7
X10016  
P90  
FRONT POWER  
NSW  
56b  
56b  
30  
30  
30  
30  
56a  
30  
DISTRIBUTION BOX  
F29  
F30  
F2  
F15  
15A  
F11  
F12  
F19  
30A  
F3  
F5  
F14  
30A  
7.5A  
7.5A  
15A  
7.5A  
7.5A  
30A  
30A  
X10016  
X10015  
X10016  
4
X10015  
10  
2
4
18  
6
10  
8
18  
20  
X10017  
1 WS/GN  
1 WS/BL  
1.5 RT/GR  
1 GE/BR  
1 GE/GN  
1 GE/BL  
2.5 RT/  
GE  
2.5 RT/BR/GE  
2.5 RT/SW  
2.5 RT/BL  
FUSE DETAILS  
0670.3  
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POWER DISTRIBUTION  
BMW  
Z3  
0670.2-02  
4 RT  
1
X33  
4 RT  
5
X209  
S2  
30  
IGNITION SWITCH  
0) OFF  
1) ACCESSORY  
2) RUN  
0
0
0
0
3
3
3
3
2
2
2
2
1
1
1
1
3) START  
15  
15I  
50  
R
1
3
4
2
X209  
2.5 GN  
.5 GN/WS  
2.5 SW/GE  
2.5 VI  
7
6
8
2
X33  
2.5 GN  
2.5 GN/SW  
3
2.5 VI  
NOT USED  
X1659  
A836  
ELECTRONIC  
IMMOBILIZER  
CONTROL MODULE  
(EWS II)  
0670.2-05  
1240.0  
X223  
6135.0  
1.5 VI  
X888  
.5 VI  
8
.5 VI  
21  
.5 VI  
23  
.75 VI  
25  
1.5 VI  
27  
1.5 VI  
29  
1.5 VI  
X10018  
X56  
31  
K2  
P90  
HORN RELAY  
FRONT POWER  
DISTRIBUTION BOX  
R
R
R
R
R
R
F41  
5A  
F42  
15A  
F43  
5A  
F44  
15A  
F45  
F46  
15A  
7.5A  
6133.0  
30  
22  
24  
26  
28  
32  
1.5 VI/GE  
X10018  
.5 VI/BL  
.5 VI/GN  
.75 VI/WS  
1.5 VI/SW  
1.5 VI/WS  
FUSE DETAILS  
0670.3  
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POWER DISTRIBUTION  
BMW  
Z3  
0670.2-04  
2.5 GN  
X203  
1.5 GN  
X1100  
2.5 GN  
2.5 GN  
2.5 GN  
.5 GN  
5
.5 GN  
8
.5 GN  
.5 GN  
1.5 GN  
X17  
X58  
ENGINE CONTROL  
SYSTEM MS41.1  
(6–CYLINDER  
M52/S52)  
A2w  
K4  
BLOWER RELAY  
INSTRUMENT  
CLUSTER  
1210.17  
ENGINE CONTROL  
SYSTEM (DME M5.2,  
4–CYLINDER M44)  
1210.20  
LATE PRODUCTION  
1230.0  
6450.6  
6211.0  
7
11  
X10015  
15  
X10017  
11  
15  
X10016  
1
X10026  
P90  
FRONT POWER  
DISTRIBUTION BOX  
15  
15  
15  
15  
15  
15  
15  
15  
15  
F6  
F4  
F21  
5A  
F22  
5A  
F23  
5A  
F24  
10A  
F25  
5A  
F26  
10A  
F27  
5A  
F28  
5A  
F16  
5A  
20A  
15A  
12  
8
X10016  
X10015  
2
4
6
8
10  
12  
14  
16  
X10017  
12  
.5 GN/BL/GE  
.5 GN/GE  
.5 GN/BL  
.75 GN/SW  
.5 GN/RT  
1.5 GN/WS  
.5 GN/VI  
.5 GN/GR  
.5 GN/BL  
2.5 RT/BR  
1.5 GN/GE  
FUSE DETAILS  
0670.3  
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0670.3 FUSE DETAILS  
BMW  
FUSES 1, 2, 3, 4, 5, AND 6  
LATE PRODUCTION  
EARLY PRODUCTION  
LATE PRODUCTION  
EARLY PRODUCTION  
Z3  
P90  
FRONT POWER  
DISTRIBUTION  
BOX  
F1  
F3  
F4  
F5  
F6  
F2  
30A  
15A  
30A  
15A  
30A  
20A  
4
6
8
10  
12  
X10015  
2
4 RT/GE  
2.5 RT/SW  
2.5 RT/BR  
EARLY PRODUCTION  
LATE PRODUCTION  
1.5 GN/GE  
X10014  
X9454  
.5 GN/GE  
3
2.5 RT/GE  
2.5 RT/GE  
1.5 RT/GR  
2.5 RT/BR/GE  
1.5 RT/VI  
.5 GN/GE  
.5 GN/GE  
.5 GN/GE  
2
EARLY PRODUCTION  
LATE PRODUCTION  
X658  
S54  
1
6
X13146  
2
PASSENGER’S  
SEAT, SEAT  
X10065  
HEATER SWITCH  
ACCESSORY  
CONNECTOR  
5203.0  
2.5 RT/GE  
2.5 RT/GE  
2
3
X651  
S53  
5
X898  
S76  
DRIVER’S SEAT,  
SEAT HEATER  
SWITCH  
REAR WINDOW  
DEFOGGER  
SWITCH  
5203.0  
6424.0  
2
X18364  
K18364  
6
X63  
6
X63  
K9  
K9  
CONVERTIBLE TOP  
RELAY II (OPEN)  
UNLOADER RELAY,  
TERMINAL 15  
UNLOADER RELAY,  
TERMINAL 15  
2
X279  
5430.2  
5203.0  
6424.0  
2 RT/SW  
2
X18363  
14  
X285  
K18363  
A51  
S56  
CONVERTIBLE TOP  
RELAY I (CLOSE)  
WIPER/WASHER  
MODULE  
PASSENGER’S  
SEAT, SEAT  
CONTROL SWITCH  
6160.1  
6167.1  
5200.0  
5430.2  
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FUSE DETAILS  
BMW  
FUSES 7, 8, AND 9  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F7  
5A  
F8  
F9  
15A  
20A  
14  
16  
18  
X10015  
X322  
.75 RT/GN  
1 RT/WS/GE  
2.5 RT/WS  
M ROADSTER  
4
X1234  
2.5 RT/WS  
X19513  
.5 RT/GN  
.35 RT/GN  
.35 RT/GN  
.35 RT/GN  
.35 RT/GN  
.5 RT/WS  
1.5 RT/WS  
2.5 RT/WS  
1
X605  
A18  
HIFI AMPLIFIER  
2
X19245  
11  
12  
X257  
X660  
11  
X256  
X742  
12  
6510.1  
9
X18126  
.5 RT/GN  
.35 RT/GN  
.5 RT/GN  
.5 RT/GN  
6
.5 RT/GN  
.5 RT/GN  
2
N9  
RADIO  
3
X311  
M12  
M17  
2
X18180  
S49  
DRIVER’S DOOR  
LUGGAGE  
PASSENGER’S  
DOOR LOCK  
SWITCH  
LOCK MOTOR  
6510.1  
COMPARTMENT  
LOCK MOTOR  
N22  
CD CHANGER  
5126.0  
5126.0  
5126.0  
2
X747  
2
X1155  
6
X641  
6510.1  
6
X56  
N5  
ANALOG CLOCK  
M13  
S47  
K2  
HORN RELAY  
PASSENGER’S  
DOOR LOCK  
MOTOR  
30  
DRIVER’S DOOR  
LOCK SWITCH  
6211.0  
5126.0  
5126.0  
6133.0  
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FUSE DETAILS  
BMW  
FUSES 10, 11, AND 12  
Z3  
P90  
56b  
56b  
FRONT POWER  
DISTRIBUTION BOX  
F10  
30A  
F11  
F12  
7.5A  
7.5A  
20  
X10015  
2
4
X10016  
1 GE/GN  
1 GE/BL  
Z3 ROADSTER  
M ROADSTER  
WITH ABS  
M ROADSTER  
WITH ASC  
6–CYLINDER  
4–CYLINDER  
2.5 RT/BL  
2.5 RT/BL  
2.5 RT/BL  
2.5 RT/BL  
2
X135  
E14  
E8  
X10055  
RIGHT HEADLIGHT  
RIGHT LOW BEAM  
LIGHT  
2.5 RT/BL  
2.5 RT/BL  
6312.0  
6350.0  
51  
X1171  
2
X54  
2
X130  
A52  
K10  
E7  
SLIP CONTROL  
MODULE  
ABS RELAY  
LEFT HEADLIGHT  
E13  
LEFT LOW BEAM  
LIGHT  
(ABS/ASC)  
3450.1  
3450.0  
6312.0  
6350.0  
8
X1161  
51  
X1175  
2
X54  
K75  
A52  
K10  
ABS RELAY  
ABS PUMP MOTOR  
RELAY  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
3450.1  
3450.1  
3450.1  
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FUSE DETAILS  
BMW  
FUSES 13, 14, AND 15  
Z3  
P90  
NSW  
FRONT POWER  
DISTRIBUTION BOX  
F13  
5A  
F14  
30A  
F15  
15A  
6
8
10  
X10016  
.5 RT/WS/GE  
2.5 RT/BL  
1 GE/BR  
M ROADSTER  
WITH ASC  
X2233  
X1152  
.5 RT/WS/GE  
1.5 RT/WS/GE  
.5 RT/WS/GE  
.5 RT/WS/GE  
1 GE/BR  
.75 GE/BR  
1 GE/BR  
1
X1175  
2
X6247  
2
X768  
E26  
LEFT FOG LIGHT  
2
X769  
E27  
RIGHT FOG LIGHT  
B6247  
A52  
CHARCOAL FILTER  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
SHUT–OFF VALVE  
6312.0  
6312.0  
1210.17  
1210.20  
3450.1  
8
X17  
8
X6301  
8
X13252  
1
X2227  
A2w  
A104  
K6301w  
S6  
INSTRUMENT  
CLUSTER  
BODY  
FUEL PUMP RELAY  
ASC SWITCH  
ELECTRONICS  
CONTROL MODULE  
(ZKE IV)  
6312.0  
5133.0  
6100.0  
1210.17  
1210.20  
3450.1  
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FUSE DETAILS  
BMW  
FUSES 16, 18, 19, AND 20  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F19  
30A  
F20  
30A  
F16  
5A  
F18  
15A  
12  
16  
18  
20  
X10016  
.5 GN/BL  
2.5 RT  
2.5 RT/GE  
2.5 RT/GN  
X470  
.5 GN/BL  
.5 GN/BL  
.5 GN/BL  
4
8
M ROADSTER  
6
X6301  
4
X51  
X53  
K22  
K6301w  
K19  
FUEL PUMP RELAY  
COMPRESSOR  
HIGH SPEED  
RELAY  
CONTROL RELAY  
1210.17  
1210.20  
1210.17  
1210.20  
6450.6  
6450.6  
2
X275  
2 RT/GE  
4
X52  
6
X58  
K21  
S51  
K4  
BLOWER RELAY  
30  
NORMAL SPEED  
RELAY  
DRIVER’S SEAT,  
SEAT CONTROL  
SWITCH  
5200.0  
6450.6  
6450.6  
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FUSE DETAILS  
BMW  
FUSES 21 AND 22  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F21  
5A  
F22  
5A  
2
4
X10017  
.5 GN/BL/GE  
.5 GN/GE  
Z3 ROADSTER  
M ROADSTER  
WITH ABS  
6–CYLINDER  
4–CYLINDER  
.5 GN/BL/GE  
.5 GN/BL/GE  
.5 GN/BL/GE  
X1163  
X1163  
X1163  
X1170  
.5 GN/BL/  
GE  
.5 GN/BL/  
GE  
.5 GN/BL/GE  
.5 GN/BL/GE  
.5 GN/BL/GE  
4
.5 GN/BL/GE  
.5 GN/BL/GE  
.5 GN/BL/GE  
5
X521  
S6  
4
X54  
A52  
K10  
ASC SWITCH  
SLIP CONTROL  
MODULE  
ABS RELAY  
(ABS/ASC)  
35  
X1171  
3450.1  
3450.1  
3450.0  
A52  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
3450.1  
8
19  
X11  
2
X503  
5
X521  
4
X54  
S8  
LIGHT SWITCH  
S6  
ASC SWITCH  
A7  
K10  
ABS RELAY  
SLIP CONTROL  
MODULE (ABS)  
3450.1  
3450.0  
6300.0  
6312.0  
3450.1  
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FUSE DETAILS  
BMW  
FUSES 23, 24, AND 25  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F23  
5A  
F24  
10A  
F25  
5A  
6
8
10  
X10017  
.5 GN/BL  
X1076  
.75 GN/SW  
.5 GN/RT  
X10020  
LATE  
EARLY  
PRODUCTION  
PRODUCTION  
.75 GN/SW  
.5 GN/BL  
.5 GN/BL  
.5 GN/BL  
.5 GN/BL  
1.5 GN/BL  
.5 GN/BL  
1
18  
X257  
X625  
X11264  
X1098  
.5 GN/BL  
1
.75 GN/SW  
.5 GN/SW  
.75 GN/SW  
4
.5 GN/RT  
.5 GN/RT  
1
ACCESSORY  
CONNECTOR  
X10065  
X18333  
S8  
LIGHT SWITCH  
S17  
MIRROR CONTROL  
SWITCH  
4
X503  
4
X17  
S8  
A2w  
LIGHT SWITCH  
INSTRUMENT  
CLUSTER  
5116.0  
6300.0  
3
1
LATE PRODUCTION  
X19565  
8
X63  
6300.0  
6312.0  
6350.0  
6211.0  
K9  
S559  
UNLOADER RELAY,  
TERMINAL 15  
PASSENGER’S AIR  
BAG CUT–OFF  
SWITCH  
9
X32  
3234.0  
5203.0  
.5 GN/GE  
1
X1148  
X10262  
5
5
X898  
S7  
S198  
K46  
S76  
COMBINATION  
SWITCH  
JET HEATER  
THERMOSWITCH  
HIGH BEAM LIGHT  
RELAY  
REAR WINDOW  
DEFOGGER  
SWITCH  
K46z  
DAY LIGHT RELAY  
MODULE  
CDN  
6312.0  
6313.0  
6312.0  
6169.0  
6424.0  
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FUSE DETAILS  
BMW  
FUSES 26, 27, 28, 29, AND 30  
Z3  
P90  
56a  
56a  
20  
FRONT POWER  
DISTRIBUTION BOX  
F26  
10A  
F27  
5A  
F28  
5A  
F29  
F30  
7.5A  
7.5A  
12  
14  
16  
18  
X10017  
1.5 GN/WS  
X1168  
.5 GN/VI  
.5 GN/GR  
1 WS/GN  
1 WS/BL  
1 GN/WS  
1.5 GN/WS  
.75 GN/WS  
22  
X20  
5
X511  
5
X8503  
S8503  
PROGRAM SWITCH  
2
X511  
S3  
S3  
AUTOMATIC  
AUTOMATIC  
TRANSMISSION  
RANGE SWITCH  
TRANSMISSION  
RANGE SWITCH  
1240.0  
2460.2  
6322.0  
2460.2  
2460.2  
6135.0  
6571.0  
1.5 GN/WS  
Z3 ROADSTER  
6–CYLINDER  
X6835  
2
X134  
E12  
E8  
1.5 GN/WS  
1
1 GN/WS  
1.5 GN/WS  
16  
RIGHT HEADLIGHT  
RIGHT HIGH BEAM  
LIGHT  
23  
X16  
X6524  
G6509  
X6002  
A2w  
D100  
INSTRUMENT  
CLUSTER  
GENERATOR  
6312.0  
DATA LINK  
CONNECTOR  
2
X8511  
2
X131  
E11  
1230.0  
3234.0  
S8511  
E7  
3450.0  
3450.1  
6211.0  
REVERSING LIGHT  
SWITCH  
LEFT HEADLIGHT  
LEFT HIGH BEAM  
LIGHT  
6322.0  
WITHOUT EGS  
6312.0  
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FUSE DETAILS  
BMW  
FUSE 31  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F31  
5A  
2
X10018  
X1067  
.5 RT/GE  
.5 RT/GE  
.5 RT/GE  
.5 RT/GE  
.5 RT/GE  
1 RT/GE  
.5 RT/GE  
.5 RT/GE  
16  
X19527  
D110  
1
X13025  
OBD II  
CONNECTOR  
Z3 ROADSTER  
Z3 ROADSTER  
3
X522  
6
X10263  
A110  
N12w  
ANTI–THEFT  
H10  
CHIME MODULE  
DIGITAL CLOCK  
CONTROL MODULE  
(ALPINE)  
6575.2  
6211.0  
6213.3  
22  
X16  
5
X10245  
5
X1659  
A2w  
A836  
A35y  
INSTRUMENT  
CLUSTER  
ELECTRONIC  
IMMOBILIZER  
BOARD  
COMPUTER  
(BC – LOW)  
CONTROL MODULE  
(EWS II)  
6211.0  
1240.0  
6135.0  
6581.3  
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FUSE DETAILS  
BMW  
FUSES 32, 33, 34, AND 35  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F32  
30A  
F34  
15A  
F35  
25A  
F33  
10A  
4
6
8
10  
X10018  
2.5 RT/SW/WS  
1 RT/WS  
1.5 RT/WS/GE  
2.5 RT/GN/GE  
X1079  
.5 RT/WS  
1 RT/WS  
.75 RT/WS  
.75 RT/WS  
.75 RT/WS  
12  
X1069  
X13252  
A104  
BODY  
1
X336  
ELECTRONICS  
CONTROL MODULE  
(ZKE IV)  
6100.0  
6330.3  
7
X503  
S8  
LIGHT SWITCH  
1.5 RT/WS/GE  
1.5 RT/WS/GE  
6
.5 BR  
X65  
N17  
6300.0  
6314.0  
CRASH CONTROL  
MODULE  
1
X712  
E32  
LUGGAGE  
1
X11105  
S408  
INTERIOR LIGHT  
SWITCH  
6313.0  
6350.0  
COMPARTMENT  
LIGHT  
6330.3  
6320.0  
6
X64  
10  
X13252  
A104  
BODY  
1
X400  
1
K16  
X531  
E28  
TELEPHONE  
CONNECTOR  
6561.0  
HAZARD FLASHER  
RELAY  
ELECTRONICS  
CONTROL MODULE  
(ZKE IV)  
FRONT CIGAR  
LIGHTER  
6313.0  
6350.0  
5126.0  
6100.0  
6332.0  
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FUSE DETAILS  
BMW  
FUSES 36, 37, 38, AND 39  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F36  
30A  
F37  
10A  
F38  
30A  
F39  
7.5A  
12  
14  
16  
18  
X10018  
2.5 RT/BL/GE  
1.5 RT/BL  
2.5 RT/GN  
.75 RT/GR  
M ROADSTER  
WITH ABS,  
Z3 ROADSTER  
6–CYLINDER  
M ROADSTER  
WITH ASC  
4–CYLINDER  
2.5 RT/GN  
2.5 RT/GN  
2.5 RT/GN  
4
X1652  
A52  
6
X285  
5
X503  
6
X51  
2
X18767  
K95  
8
X1161  
A51  
K19  
S8  
K75  
WIPER/WASHER  
MODULE  
COMPRESSOR  
VALVE RELAY  
(ABS/ASC)  
LIGHT SWITCH  
SLIP CONTROL  
MODULE  
ABS PUMP MOTOR  
RELAY  
CONTROL RELAY  
A64  
(ABS/ASC)  
WIPER/WASHER  
MODULE (LOW II)  
6160.1  
6167.1  
6160.1 6320.0  
6300.0 6332.0  
6314.0  
1210.17  
6450.6  
3450.1  
3450.1  
3450.0  
3450.1  
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FUSE DETAILS  
BMW  
FUSES 40, 41, AND 42  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F40  
30A  
F42  
5A  
F41  
15A  
20  
22  
24  
X10018  
2.5 RT/GN  
.5 VI/BL  
X1264  
.5 VI/GN  
6–CYLINDER  
.5 VI/BL  
.5 VI/BL  
.5 VI/BL  
.5 VI/BL  
.5 VI/BL  
X1263  
4
X18518  
2
X1886  
B79  
.5 VI/GN  
.5 VI/GN  
S59  
PASSENGER’S  
SIDE IMPACT  
SENSOR  
PASSENGER’S  
SEAT BELT SWITCH  
8
X6031  
3234.0  
3234.0  
4
X778  
.5 VI/GN  
2
X1885  
B78  
.5 SW/VI/GE  
S58  
DRIVER’S SIDE  
DRIVER’S SEAT  
IMPACT SENSOR  
BELT SWITCH  
X8103  
X6002  
6–CYLINDER  
.5 VI/GN  
3234.0  
3234.0  
LATE PRODUCTION  
6
X53  
5
X74  
1
X10218  
4
A12  
K22  
A113  
D100  
SUPPLEMENTAL  
RESTRAINT  
HIGH SPEED  
RELAY  
SEAT OCCUPANCY  
DETECTOR  
DATA LINK  
CONNECTOR  
SYSTEM CONTROL  
MODULE  
6450.6  
3234.0  
3234.0  
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FUSE DETAILS  
BMW  
FUSES 43, 44, AND 45  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F43  
5A  
F44  
15A  
F45  
7.5A  
26  
28  
30  
X10018  
.75 VI/WS  
1.5 VI/SW  
1.5 VI/WS  
X1235  
X1066  
.35 VI/WS  
X10022  
.75 VI/WS  
.75 VI/WS  
.5 VI/WS  
.75 VI/SW  
.5 VI/SW  
1.5 VI/SW  
.5 VI/WS  
.5 VI/WS  
5
X400  
2
X322  
TELEPHONE  
CONNECTOR  
6561.0  
2
X10260  
A835  
8
X285  
A51  
TRANSMITTER  
WIPER/WASHER  
MODULE  
MODULE (EWS II)  
A64  
WIPER/WASHER  
MODULE (LOW II)  
6160.1  
6167.1  
6135.0  
2
X13025  
3
X18994  
1
X107  
M4  
WASHER PUMP  
S235  
N12w  
NOT USED  
WITH EGS  
Z3 ROADSTER  
STARTER  
IMMOBILIZATION  
SWITCH  
ANTI–THEFT  
CONTROL MODULE  
(ALPINE)  
1.5 VI/WS  
6575.2  
6160.1  
1240.0  
6135.0  
4
X10182  
A104  
5
X10263  
5
X18126  
BODY  
A110  
DIGITAL CLOCK  
N9  
ELECTRONICS  
RADIO  
CONTROL MODULE  
(ZKE IV)  
5126.0  
6100.0  
6330.3  
6510.1  
6213.3  
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FUSE DETAILS  
BMW  
FUSE 46  
Z3  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F46  
15A  
32  
X10018  
1.5 VI/GE  
X1182  
.5 VI/GE  
1.5 VI/GE  
.5 VI/GE  
.5 VI/GE  
.5 VI/GE  
Z3 ROADSTER  
M ROADSTER  
5
X19245  
.5 VI/GE  
X91186  
.5 VI/GE  
.5 VI/GE  
3
X9770  
NOT USED  
1
X72  
16  
X17  
1
X78  
10  
X10245  
A35y  
3
X10059  
B59  
26  
X22  
A2w  
S30  
A8  
S28  
INSTRUMENT  
CLUSTER  
BRAKE LIGHT  
SWITCH  
CRUISE CONTROL  
MODULE  
BOARD  
OIL TEMPERATURE  
GAUGE  
CRUISE CONTROL  
SWITCH  
COMPUTER  
(BC – LOW)  
(TEMPOMAT)  
6581.3  
6211.0  
6211.0  
2460.2  
3450.0  
3450.1  
5430.2  
6325.0  
6571.0  
6571.0  
6571.0  
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FUSE DETAILS  
BMW  
FUSES 48 AND 49  
Z3  
P97  
P95  
AUXILIARY FUSE  
BOX  
AUXILIARY FUSE  
BOX  
F48  
40A  
F49  
50A  
2
X1588  
2
X19023  
4 RT/WS  
4–CYLINDER  
M ROADSTER  
M ROADSTER  
WITH ASC  
4 RT/GN  
X18061  
4 RT/GN  
4 RT/GN  
4 RT/GN  
6
X53  
6
X53  
6
X52  
8
X18766  
K94  
K22  
K22  
K21  
HIGH SPEED  
RELAY  
HIGH SPEED  
RELAY  
ENGINE CONTROL  
RELAY (ABS/ASC)  
NORMAL SPEED  
RELAY  
3450.1  
6450.6  
6450.6  
6450.6  
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0670.4 GROUND DISTRIBUTION  
BMW  
GROUNDS X4 AND X165  
Z3  
E8  
RIGHT HEADLIGHT  
E19  
H4  
E51  
E12  
RIGHT PARK LIGHT  
RIGHT FRONT  
TURN LIGHT  
LEFT WASHER JET  
HEATER  
RIGHT HIGH BEAM  
LIGHT  
1
X134  
E52  
E14  
1
X137  
RIGHT WASHER  
JET HEATER  
RIGHT LOW BEAM  
LIGHT  
S36  
1
X105  
TEMPERATURE  
1
X135  
SWITCH  
S36y  
4–CYLINDER  
DOUBLE  
TEMPERATURE  
SWITCH  
1
1
X87  
1
X106  
X11379  
E22  
RIGHT FRONT  
MARKER LIGHT  
A51  
.75 BR  
.75 BR  
.75 BR  
H3  
WIPER/WASHER  
MODULE  
RIGHT HORN  
2
X767  
X1091  
1
X133  
E27  
RIGHT FOG LIGHT  
15  
X285  
X123  
.75 BR  
2
B9508  
PRESSURE  
SWITCH  
2.5 SW/BR  
X10088  
1
X769  
.75 BR  
.5 BR  
.75 BR  
2
M7  
2
3
X127  
4–CYLINDER  
HEADLIGHT/FOG  
LIGHT WASHER  
PUMP  
Z3 ROAD-  
STER  
2.5 SW  
X216  
Y1w  
.5 BR  
1 BR  
.5 BR  
ABS HYDRAULIC  
UNIT  
WITHOUT HEAD-  
LIGHT WASHER  
WITH HEADLIGHT  
WASHER  
1
X123  
X1611  
1.5 BR  
1.5 BR  
X9170  
1.5 BR  
1.5 BR  
4 BR  
2.5 BR  
X1610  
X576  
6 BR  
4 BR  
M ROADSTER  
WITH ASC  
X11337  
6 BR  
X4  
X165  
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GROUND DISTRIBUTION  
BMW  
GROUND X166  
Z3  
E7  
S21w  
M9  
LEFT HEADLIGHT  
ENGINE HOOD  
SWITCH  
AUXILIARY FAN  
MOTOR  
E15  
H7  
LEFT PARK LIGHT  
LEFT FRONT TURN  
LIGHT  
1
X371  
1
1
1
X82  
M ROADSTER  
X19022  
X1890  
E21  
1
X128  
4–CYLINDER  
LEFT FRONT  
MARKER LIGHT  
H2  
4 BR  
LEFT HORN  
E13  
2
X766  
LEFT LOW BEAM  
LIGHT  
1
X132  
1
X130  
H9  
E26  
LEFT FRONT  
AUXILIARY TURN  
LIGHT  
LEFT FOG LIGHT  
E11  
LEFT HIGH BEAM  
LIGHT  
1
X389  
1
X768  
1
X131  
Z3 ROADSTER  
.5 BR  
.5 BR  
.5 BR  
.75 BR  
1 BR  
.75 BR  
2.5 BR  
1.5 BR  
1.5 BR  
X1614  
X698  
X699  
1.5 BR  
1.5 BR  
4 BR  
X697  
4 BR  
X11339  
6 BR  
X166  
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GROUND DISTRIBUTION  
BMW  
GROUNDS X170 AND X494  
Z3  
Z3 ROADSTER  
M ROADSTER  
WITH ABS  
6–CYLINDER  
4–CYLINDER  
Y1  
A7  
K10  
S127y  
ABS HYDRAULIC  
UNIT  
SLIP CONTROL  
MODULE (ABS)  
ABS RELAY  
PASSENGER’S  
POWER WINDOW  
SWITCH  
20  
X1176  
5
X54  
X11  
4
X324  
26  
41  
17  
5
K75  
S126y  
Y1  
ABS PUMP MOTOR  
RELAY  
DRIVER’S POWER  
WINDOW SWITCH  
ABS HYDRAULIC  
UNIT  
.5 BR  
.75 BR  
.75 BR  
.75 BR  
9
X1161  
4
X316  
20  
X1176  
X19525  
K75  
Y1  
ABS PUMP MOTOR  
RELAY  
ABS HYDRAULIC  
UNIT  
9
X1161  
4
X31  
K75  
ABS PUMP MOTOR  
RELAY  
9
X1161  
1.5 BR  
2.5 BR  
1.5 BR  
.5 BR  
.5 BR  
1 BR  
2.5 BR  
1.5 BR  
2.5 BR  
X1542  
1.5 BR  
X19526  
2.5 BR  
4 BR  
X170  
X170  
X170  
X494  
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GROUND DISTRIBUTION  
BMW  
GROUNDS X861, X1116, X1166, AND X1441  
Z3  
6–CYLINDER  
4–CYLINDER  
A52  
A52  
K18363  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
CONVERTIBLE TOP  
RELAY I (CLOSE)  
X1652  
5
X18363  
1
3
19  
29  
X1171  
X1175  
41  
19  
3
X1170  
2
55  
28  
4–CYLINDER  
Y6133  
K18364  
A12  
AIR PUMP  
CONVERTIBLE  
TOP RELAY II  
(OPEN)  
SUPPLEMENTAL  
RESTRAINT  
SYSTEM  
M ROADSTER  
WITH ASC  
CONTROL  
MODULE  
X74  
5
X18364  
1
X6133  
6
1.5 BR  
2.5 BR  
1.5 BR  
2.5 BR  
1.5 BR  
2.5 BR  
4 BR  
2.5 BR  
2.5 BR  
.75 BR  
.5 BR  
.75 BR  
.75 BR  
.5 BR/SW  
X861  
X1441  
X1166  
X1166  
X1116  
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4–CYLINDER  
GROUND DISTRIBUTION  
BMW  
GROUND X6454  
Z3  
B6217  
A6000  
A8500  
HOT FILM AIR  
MASS METER  
ENGINE CONTROL  
MODULE (DME)  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
1
X6217  
6
X8500  
6
34  
55  
28  
X6000  
34  
B6209  
K6326  
HALL EFFECT CAM-  
SHAFT SENSOR  
UNLOADER RELAY,  
TERMINAL 15  
W6203  
1.5 BR  
1.5 BR  
2.5 BR  
2.5 BR  
2.5 BR  
1.5 BR  
CRANKSHAFT  
POSITION/RPM  
SENSOR SHIELD  
4
X6326  
3
X6209  
X6091  
X6203  
3
1
K6304  
A8500  
W6165  
SECONDARY AIR  
PUMP RELAY  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
SHIELD UP TO  
10mm BEFORE  
IGNITION COIL  
CONNECTOR  
X6091  
.5 BR  
30  
5
X6304  
28  
X8500  
X6492  
W6203  
.5 BR  
.35 BR  
1.5 BR  
.5 BR  
1 BR  
CRANKSHAFT  
POSITION/RPM  
SENSOR SHIELD  
.5 BR  
X6460  
19  
1.5 BR  
X6463  
D100  
DATA LINK  
CONNECTOR  
X6462  
X6002  
6 BR  
4 BR  
X6454  
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6–CYLINDER  
GROUND DISTRIBUTION  
BMW  
GROUND X6454  
Z3  
K6326  
A6000  
B6207  
UNLOADER RELAY,  
TERMINAL 15  
ENGINE CONTROL  
MODULE (DME)  
HOT FILM AIR  
MASS METER  
W6203  
CRANKSHAFT  
POSITION/RPM  
SENSOR SHIELD  
4
X6326  
1
X6207  
32  
34  
4
28  
X6000  
W6165  
SHIELD UP TO  
10mm BEFORE  
IGNITION COIL  
CONNECTOR  
M ROADSTER  
Z3 ROADSTER  
A8500  
M6506  
TRANSMISSION  
E–BOX FAN  
CONTROL MODULE  
(EGS)  
1
X6506  
34  
28  
X8500  
X6492  
.5 BR  
.5 BR  
.5 BR  
2.5 BR  
1.5 BR  
1.5 BR  
1.5 BR  
1.5 BR/OR  
1.5 BR/OR  
.5 BR/OR  
X6458  
X6459  
19  
D100  
1.5 BR/OR  
4 BR  
4 BR/OR  
DATA LINK  
CONNECTOR  
X6002  
X6454  
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4–CYLINDER  
GROUND DISTRIBUTION  
BMW  
GROUND X6456  
Z3  
T6151  
T6153  
T6154  
T6152  
CYL. 1 IGNITION  
COIL  
CYL. 3 IGNITION  
COIL  
CYL. 4 IGNITION  
COIL  
CYL. 2 IGNITION  
COIL  
2
X6151  
2
X6153  
2
X6154  
2
X6152  
1 BR  
1 BR  
1 BR  
1 BR  
X6900  
1.5 BR  
3
X6150  
1.5 BR  
X6456  
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6–CYLINDER  
GROUND DISTRIBUTION  
BMW  
GROUNDS X6455 AND X6456  
Z3  
T6151  
T6153  
A6000  
T6155  
CYL. 1 IGNITION  
COIL  
CYL. 3 IGNITION  
COIL  
ENGINE CONTROL  
MODULE (DME)  
CYL. 5 IGNITION  
COIL  
2
X6153  
2
X6151  
2
X6155  
56  
X6000  
T6152  
T6154  
T6156  
CYL. 2 IGNITION  
COIL  
CYL. 4 IGNITION  
COIL  
CYL. 6 IGNITION  
COIL  
2
X6152  
2
X6154  
2
X6156  
1 BR  
1 BR  
1 BR  
1 BR  
1 BR  
1 BR  
.5 BR  
2
X6150  
.5 BR  
X6900  
K6304  
Y6133  
AIR PUMP  
1.5 BR  
SECONDARY AIR  
PUMP RELAY  
R8554  
RESISTOR  
5
X6304  
1
X6133  
X6460  
240  
2W  
.35 BR  
4 BR  
1.5 BR  
4 BR  
X6455  
X6456  
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GROUND DISTRIBUTION  
BMW  
GROUND X9633  
Z3  
S221  
E105  
S5  
EVAPORATOR  
CONTROLLER  
HEAT/A/C  
WIPER/WASHER  
SWITCH  
CONTROL PANEL  
ILLUMINATION  
Y5  
DRIVER’S SIDE  
MIRROR  
2
X18983  
2
X18350  
.75 BR  
1
M30  
X295  
BLOWER MOTOR  
4
X623  
K16  
E106  
S17  
HAZARD FLASHER  
RELAY  
HEAT/A/C  
MIRROR CONTROL  
SWITCH  
CONTROL PANEL  
ILLUMINATION  
1
X13287  
M111  
2
X18984  
FRESH AIR  
RECIRCULATION  
MOTOR  
M21  
8
X64  
2
X625  
DRIVER’S WINDOW  
MOTOR  
M ROADSTER  
S220  
S220  
AIR CONDITION-  
ING/RECIRCULAT-  
ING SWITCH  
ASSEMBLY  
AIR CONDITION-  
ING/RECIRCULAT-  
ING SWITCH  
2
X1517  
3
X749  
B14  
EVAPORATOR  
TEMPERATURE  
SENSOR  
ASSEMBLY  
.5 BR  
.75 BR  
.5 BR  
1
X18349  
6
X18349  
.5 BR/WS  
.5 BR/ .5 BR/  
1.5 GN/BR  
.5 BR  
2.5 BR  
.5 BR  
X818  
WS  
WS  
X849  
1
1 BR  
X771  
X814  
A51  
E28  
M3  
WIPER/WASHER  
MODULE  
FRONT CIGAR  
LIGHTER  
WIPER MOTOR  
.75 BR  
2.5 BR  
.5 BR/WS  
7
X285  
1
X1014  
1
X257  
1
X333  
1
3
X10054  
1 BR  
.75 BR  
.75 BR  
.75 BR  
2.5 BR  
2.5 BR  
2.5 BR  
2.5 BR  
X1616  
X1115  
1.5 BR  
6 BR  
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A2w  
M ROADSTER AND  
INSTRUMENT  
CLUSTER  
4–CYLINDER  
B18  
BRAKE FLUID  
LEVEL SWITCH  
B2  
LEFT FRONT  
SPEED SENSOR –  
21  
X17  
3
ABS  
Z3 ROADSTER 6–CYLINDER  
2
X111  
M ROADSTER WITH ABS  
K46  
K46z  
3
X114  
HIGH BEAM LIGHT  
RELAY  
DAY LIGHT RELAY  
MODULE  
CDN  
H1w  
ANTI–THEFT HORN  
(ALPINE)  
4
X10262  
1
X372  
K48  
LOW BEAM LIGHT  
RELAY  
K9  
UNLOADER RELAY,  
TERMINAL 15  
4
X45  
4
X63  
Y4z  
WATER VALVE  
S2  
IGNITION SWITCH  
.75 BR  
12  
3
X85  
X33  
K4  
BLOWER RELAY  
M25  
CRUISE CONTROL  
S235  
NOT USED  
WITH EGS  
ACTUATOR  
STARTER  
(TEMPOMAT)  
IMMOBILIZATION  
SWITCH  
.5 BR  
.5 BR 1 BR .5 BR  
.5 BR  
M ROADSTER  
K33a  
4
X58  
5
X70  
1
X18994  
AIR CONDITIONING  
RELAY, MOTRONIC  
1.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
X10008  
1.5 BR  
.35 BR  
.5 BR  
X1107  
1.5 BR  
.5 BR  
6 BR  
4
X50  
.5 BR  
X10024  
1 BR  
X10048  
X9633  
2.5 BR  
X11353  
6 BR  
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GROUND DISTRIBUTION  
BMW  
GROUND X10010  
LATE PRODUCTION  
Z3  
S59  
A2w  
B78  
PASSENGER’S  
SEAT BELT SWITCH  
INSTRUMENT  
CLUSTER  
DRIVER’S SIDE  
IMPACT SENSOR  
1
X1885  
24  
X16  
A8  
1
X18518  
CRUISE CONTROL  
MODULE  
B79  
PASSENGER’S  
SIDE IMPACT  
SENSOR  
A835  
(TEMPOMAT)  
TRANSMITTER  
MODULE (EWS II)  
17  
X22  
1
X1886  
A64  
WIPER/WASHER  
MODULE (LOW II)  
3
X10260  
S58  
DRIVER’S SEAT  
BELT SWITCH  
A113  
15  
X285  
SEAT  
N12w  
OCCUPANCY  
DETECTOR  
ANTI–THEFT  
CONTROL MODULE  
(ALPINE)  
2
X10218  
1
X778  
Z3 ROADSTER  
N17  
CRASH CONTROL  
MODULE  
B21  
ON–BOARD  
COMPUTER  
TEMPERATURE  
SENSOR  
8
X65  
3
X13025  
A104  
2
X770  
BODY  
A35y  
ELECTRONICS  
CONTROL MODULE  
(ZKE IV)  
BOARD  
COMPUTER  
(BC – LOW)  
5
X10182  
.5 BR/OR  
.5 BR/OR  
.5 BR/OR  
.75 BR/OR .75 BR/OR  
.75 BR/OR  
6
X10245  
.5 BR/OR  
.5 BR/OR  
.5 BR/OR  
.5 BR/OR  
.5 BR/OR  
X64591  
.5 BR/OR  
.5 BR/OR  
.5 BR/OR  
X13011  
1.5 BR/OR  
1 BR/OR  
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1.5 BR/OR  
1 BR/OR  
M ROADSTER  
N5  
ANALOG CLOCK  
1
X1155  
1
X9003  
B59  
OIL TEMPERATURE  
GAUGE  
1
X9002  
2
X10059  
NOT USED  
4
1
X9770  
1
X9001  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
X13921  
.75 BR  
3
X19245  
.75 BR  
X10009  
X10010  
2.5 BR/OR  
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GROUND DISTRIBUTION  
BMW  
GROUND X13004  
Z3  
S13  
A64  
Y6  
PASSENGER’S  
SIDE MIRROR  
K910  
S56  
PASSENGER’S  
WIPER/WASHER  
MODULE (LOW II)  
PASSENGER’S  
SEAT TILT ADJUST  
CUT–OFF RELAY  
PASSENGER’S  
SEAT, SEAT  
CONTROL SWITCH  
DOOR JAMB  
SWITCH  
7
X285  
X9995  
7
X351  
1
4
X624  
K911  
E800  
M23  
PASSENGER’S  
SEAT LENGTH  
ADJUST CUT–OFF  
RELAY  
FRONT LEFT  
INTERIOR LIGHT  
PASSENGER’S  
WINDOW MOTOR  
2
X9995  
1
X357  
X336  
3
X744  
S911  
PASSENGER’S  
SEAT LIMIT  
SWITCH  
.5 BR  
.75 RT/WS  
.5 BR  
X942  
.5 BR  
2.5 BR  
2
2
X9994  
S56  
.5 BR  
.5 BR  
1
PASSENGER’S  
SEAT, SEAT  
X256  
CONTROL SWITCH  
.5 BR  
1.5 BR  
1.5 BR  
.5 BR  
2 BR  
2 BR  
X1620  
X10126  
1.5 BR  
X9997  
1.5 BR  
2 BR  
WITH SPORT SEAT  
2.5 BR  
WITHOUT SPORT SEAT  
1
X279  
4 BR  
X11357  
X13004  
X13134  
4 BR  
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GROUND DISTRIBUTION  
BMW  
GROUND X13006  
Z3  
E16  
H6  
H24  
H25  
H27  
H37  
LEFT REAR LIGHT  
ASSEMBLY  
LEFT REAR TURN  
LIGHT  
LEFT BRAKE LIGHT  
LEFT TAIL LIGHT  
LEFT BACK UP  
LIGHT  
LEFT TAIL LIGHT  
1
X319  
1.5 BR  
0670.4-14  
E17  
H5  
H28  
H30  
H31  
H39  
RIGHT REAR LIGHT  
ASSEMBLY  
RIGHT REAR TURN  
LIGHT  
RIGHT BACK UP  
LIGHT  
RIGHT TAIL LIGHT  
RIGHT BRAKE  
LIGHT  
RIGHT TAIL LIGHT  
5
X318  
1.5 BR  
0670.4-14  
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GROUND DISTRIBUTION  
BMW  
GROUND X13006  
Z3  
E9  
K921  
0670.4-13  
REAR DEFOGGER I  
DRIVER’S SEAT  
LENGTH ADJUST  
CUT–OFF RELAY  
S14  
DRIVER’S DOOR  
JAMB SWITCH  
B17  
RIGHT REAR  
BRAKE PAD  
SENSOR  
X9991  
2
S164  
2
X13017  
1
X352  
CONVERTIBLE TOP  
END–POSITION  
MICRO SWITCH  
K920  
DRIVER’S SEAT  
TILT ADJUST CUT–  
OFF RELAY  
H34  
2.5 SW  
1
HIGH LEVEL STOP  
LIGHT  
1
X713  
X1266  
2
X10299  
7
X9991  
1.5 BR  
1.5 BR  
.5 BR  
1
X413  
E99  
S910  
HARD TOP  
CONNECTOR 1  
DRIVER’S SEAT  
LIMIT SWITCH  
E44  
RIGHT LICENSE  
PLATE LIGHT  
2
X9990  
1
X710  
X1102  
1
X380  
S51  
E43  
2.5 BR  
.5 BR  
DRIVER’S SEAT,  
SEAT CONTROL  
SWITCH  
S826  
LEFT LICENSE  
PLATE LIGHT  
LUGGAGE  
COMPARTMENT  
LIGHT SWITCH  
1
X709  
X9824  
2.5 BR  
2
X711  
1.5 BR  
1.5 BR  
.5 BR  
2 BR  
.75 BR  
2
.75 BR  
S51  
S164  
DRIVER’S SEAT,  
SEAT CONTROL  
SWITCH  
CONVERTIBLE TOP  
END–POSITION  
MICRO SWITCH  
X11403  
2
X11402  
.5 BR  
.5 BR  
.75 BR  
.75 BR  
2
X11209  
2
X11209  
M ROADSTER  
X9993  
2.5 BR  
2.5 BR  
2 BR  
2 BR  
X1625  
1.5 BR  
.5 BR  
WITH HARD TOP  
PROVISIONS  
WITHOUT HARD  
WITH SPORT SEAT  
WITHOUT SPORT  
SEAT  
TOP PROVISIONS  
1
X275  
1.5 BR  
2.5 BR  
2.5 BR  
X13007  
X13006  
2.5 BR  
X1624  
4 BR  
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GROUND DISTRIBUTION  
BMW  
GROUNDS X13016 AND X13032  
Z3  
A18  
N22  
N9  
M2  
HIFI AMPLIFIER  
CD CHANGER  
RADIO  
FUEL PUMP  
3
4
X605  
1
X18180  
15  
X18126  
1
X6500  
2.5 BR  
2.5 BR  
.5 BR  
1.5 BR  
2.5 BR  
X824  
2.5 BR  
X13016  
X13032  
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GROUND DISTRIBUTION  
BMW  
GROUND X18170  
Z3 ROADSTER  
A110  
DIGITAL CLOCK  
Z3  
TELEPHONE  
CONNECTOR  
S76  
REAR WINDOW  
DEFOGGER  
SWITCH  
2
X400  
3
X10263  
E57  
4
8
X898  
DRIVER’S SEAT  
HEATER  
S8  
A836  
S7  
LIGHT SWITCH  
ELECTRONIC  
IMMOBILIZER  
CONTROL MODULE  
(EWS II)  
COMBINATION  
SWITCH  
.5 BR  
.5 BR  
2
X18333  
7
X1659  
4–CYLINDER  
S4  
B1  
HORN SWITCH  
RIGHT FRONT  
SPEED SENSOR –  
ABS  
X1226  
E56  
X10013  
X32  
.5 BR  
DRIVER’S SEAT-  
H10  
.5 BR  
.75 BR  
1
BACK HEATER  
CHIME MODULE  
3
X113  
S6  
ASC SWITCH  
E25  
1
X522  
FRONT ASHTRAY  
LIGHT  
1
3
X733  
2
X1098  
4
2
X521  
E29  
1
X1213  
X2227  
M ROADSTER  
M ROADSTER  
E96  
FRONT CIGAR  
LIGHTER LIGHT  
E58  
GEAR SHIFT  
LEVER INDICA-  
TOR  
PASSENGER’S  
SEAT HEATER  
2
X532  
S18  
HAZARD SWITCH  
1
X1439  
E59  
PASSENGER’S  
SEATBACK  
HEATER  
1 BR .5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.75 BR  
.5 BR  
3
X516  
S143  
CONVERTIBLE TOP  
1
3
X740  
ACTUATING  
SWITCH  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
X1608  
1
X13045  
X13047  
X1617  
.5 BR  
1.5 BR  
1.5 BR  
1.5 BR  
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A104  
B2  
B2  
B1  
S559  
BODY  
LEFT FRONT  
SPEED SENSOR –  
ABS  
LEFT FRONT  
SPEED SENSOR –  
ABS  
RIGHT FRONT  
SPEED  
SENSOR –  
ABS  
PASSENGER’S AIR  
BAG CUT–OFF  
SWITCH  
ELECTRONICS  
CONTROL MODULE  
(ZKE IV)  
15  
X13252  
2
4
X19565  
3
X114  
3
X114  
3
X113  
LATE PRODUCTION  
B1  
B1  
E82  
H8  
RIGHT FRONT  
RIGHT FRONT  
TRANSMISSION  
RIGHT FRONT  
AUXILIARY TURN  
LIGHT  
SPEED SENSOR –  
SPEED SENSOR –  
POSITION INDICA-  
TOR LIGHT  
ABS  
ABS  
1
X390  
1
X1193  
3
X113  
3
X113  
S20w  
RADIO ANTI–  
THEFT SWITCH  
.5 SW  
.5 SW  
.5 SW  
.5 SW  
X96475  
X13304  
1
X539  
D110  
OBD II  
S53  
CONNECTOR  
DRIVER’S SEAT,  
SEAT HEATER  
SWITCH  
4
5
X19527  
4
X651  
S30  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
.5 BR  
1.5 BR  
.5 BR  
.5 BR  
.5 BR  
BRAKE LIGHT  
SWITCH  
4
X78  
S54  
PASSENGER’S  
SEAT, SEAT  
HEATER SWITCH  
Z3 ROADSTER  
6–CYLINDER  
M ROADSTER  
WITH ASC  
M ROADSTER  
WITH ABS  
LATE PRODUCTION  
4
X658  
.5 BR  
.5 BR  
.5 BR  
S8503  
.5 BR  
PROGRAM  
SWITCH  
X1618  
1.5 BR  
X10064  
4 BR  
2
X8503  
1.5 BR  
.5 BR  
X11355  
X18170  
1.5 BR  
1.5 BR  
4 BR  
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0670.5 DATA LINK  
BMW  
BLOCK DIAGRAM  
Z3  
D100  
DATA LINK  
CONNECTOR  
TXD  
RXD  
BOARD COMPUTER  
(BC – LOW)  
ENGINE CONTROL  
SYSTEM (DME M5.2,  
4–CYLINDER M44)  
1210.20  
6581.3  
CENTRAL BODY  
ELECTRONICS  
(ZKE IV)  
SLIP CONTROL  
(ABS)  
SLIP CONTROL  
(ABS/ASC)  
3450.1  
3450.0  
6100.0  
ELECTRONIC  
TRANSMISSION  
CONTROL  
INSTRUMENT  
CLUSTER  
6211.0  
(EGS A4S 270R)  
2460.2  
SUPPLEMENTAL  
RESTRAINT  
DRIVE–AWAY  
PROTECTION  
(EWS II)  
SYSTEM (AIR BAG)  
3234.0  
6135.0  
ENGINE CONTROL  
SYSTEM MS41.1  
(6–CYLINDER  
M52/S52)  
1210.17  
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DATA LINK  
BMW  
TXD  
Z3  
D100  
DATA LINK  
CONNECTOR  
17  
20  
X6002  
.5 WS/VI  
6–CYLINDER  
X6867  
X20  
.5 WS/VI  
17  
.5 WS/VI  
.5 WS/VI  
X183  
.5 WS/VI  
.5 WS/VI  
.5 WS/VI  
.35 WS/VI  
.5 WS/VI  
9
M ROADSTER  
WITH ABS  
M ROADSTER  
WITH ASC  
X74  
TXD  
Z3 ROADSTER  
.5 WS/VI  
A12  
SUPPLEMENTAL  
RESTRAINT  
SYSTEM CONTROL  
MODULE  
.5 WS/VI/GE  
.5 WS/VI  
.5 WS/VI  
.75 WS/VI  
2
X1659  
A836  
6–CYLINDER  
X6869  
X6866  
TXD  
ELECTRONIC  
IMMOBILIZER  
CONTROL MODULE  
(EWS II)  
2
X10245  
46  
X1175  
28  
X11  
A35y  
A7  
A52  
TXD  
TXD  
TXD  
BOARD  
SLIP CONTROL  
MODULE (ABS)  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
COMPUTER  
(BC – LOW)  
Z3 ROADSTER  
X10182  
.5 WS/VI/GE  
.5 WS/VI  
.5 WS/VI/GE  
.5 WS/VI  
11  
A104  
TXD  
BODY  
ELECTRONICS  
CONTROL MODULE  
(ZKE IV)  
36  
7
X1170 4–CYLINDER  
X1171 6–CYLINDER  
12  
X16  
88  
X6000  
A6000  
88  
X8500  
A2w  
A8500  
A52  
TXD  
TXD  
TXD  
TXD  
INSTRUMENT  
CLUSTER  
ENGINE CONTROL  
MODULE (DME)  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
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DATA LINK  
BMW  
RXD  
Z3  
M ROADSTER  
4–CYLINDER  
A52  
A7  
A35y  
A2w  
A6000  
A104  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
SLIP CONTROL  
MODULE (ABS)  
BOARD  
INSTRUMENT  
CLUSTER  
ENGINE CONTROL  
MODULE (DME)  
BODY  
COMPUTER  
(BC – LOW)  
ELECTRONICS  
CONTROL MODULE  
RXD  
RXD  
X1171  
RXD  
X11  
RXD  
RXD  
(ZKE IV)  
RXD  
87  
X6000  
8
7
3
X10245  
11  
X16  
9
X10182  
.5 WS/GE  
.5 WS/GE  
.5 WS/GE  
.35 WS/GE  
.5 WS/GE  
.5 WS/GE  
Z3 ROADSTER  
M ROADSTER  
WITH ABS  
6–CYLINDER  
X182  
.5 WS/GE  
16  
X20  
.5 WS/GE  
X6863  
X6002  
.5 WS/GE  
15  
D100  
DATA LINK  
CONNECTOR  
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DATA LINK  
BMW  
DATA LINK CONNECTOR, PINS 1, 7, 14, AND 16  
Z3  
A836  
A2w  
ELECTRONIC  
IMMOBILIZER  
CONTROL MODULE  
INSTRUMENT  
CLUSTER  
3) ENGINE SPEED  
INPUT  
3
(EWS II)  
G1  
6–CYLINDER  
BATTERY  
15  
X17  
12  
X1659  
20  
X16  
A52  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
P90  
.35 SW  
.5 SW  
.5 WS/GN  
FRONT POWER  
DISTRIBUTION BOX  
F26  
10A  
41  
20  
X1171  
X1175  
M ROADSTER  
12  
X10017  
.5 SW  
X1047  
FUSE DETAILS  
0670.3  
POWER  
DISTRIBUTION  
0670.2  
.5 SW  
20  
19  
X20  
X20  
4–CYLINDER  
POWER  
X6410  
X6412  
DISTRIBUTION  
0670.2  
A8500  
.5 WS/GN  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
6–CYLINDER  
6–CYLINDER  
40  
X8500  
X8072  
.5 SW  
.5 SW  
X8015  
.5 WS/GN  
2.5 RT  
.5 SW  
.5 SW  
36  
80  
6–CYLINDER  
X6000  
A6000  
1
7
14  
16  
X6002  
TD  
ENGINE CONTROL  
MODULE (DME)  
D100  
DATA LINK  
CONNECTOR  
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DATA LINK  
BMW  
DATA LINK CONNECTOR, PINS 4, 12, 18, AND 19  
Z3  
G6509  
G6509  
G6509  
GENERATOR  
GENERATOR  
GENERATOR  
D100  
DATA LINK  
CONNECTOR  
P90  
D+  
D+  
D+  
FRONT POWER  
DISTRIBUTION BOX  
F42  
5A  
X7509  
2
X6524  
X7509  
19  
18  
X6002  
24  
X10018  
1.5 BL  
1.5 BL  
1.5 BL  
1.5 BR  
9
X6091  
.5 GN/BL  
1.5 BR/OR  
1.5 BL  
FUSE DETAILS  
0670.3  
6–CYLINDER  
X6459  
X6463  
4–CYLINDER  
Z3 ROADSTER  
M ROADSTER  
X6860  
6–CYLINDER  
1.5 BL  
X8004  
.5 BL  
25  
X20  
.75 WS/GN  
.5 GN/BL  
.5 BL  
M ROADSTER  
WITH ASC  
X213  
.75 BL  
.75 BL  
24  
.5 BL  
.5 BL  
3
X400  
X1175  
A52  
TELEPHONE  
CONNECTOR  
SLIP CONTROL  
GROUND  
DISTRIBUTION  
0670.4  
MODULE  
6
X17  
60  
X6000  
A6000  
(ABS/ASC)  
A2w  
4
12  
X6002  
INSTRUMENT  
CLUSTER  
ENGINE CONTROL  
MODULE (DME)  
X6454  
D100  
DATA LINK  
CONNECTOR  
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DATA LINK  
BMW  
DATA LINK CONNECTOR, PIN 2 AND OBD II CONNECTOR  
Z3  
P90  
FRONT POWER  
D100  
DATA LINK  
F31  
DISTRIBUTION BOX  
5A  
CONNECTOR  
2
X6002  
2
X10018  
.5 WS/VI/GE  
X6868  
FUSE DETAILS  
0670.3  
6–CYLINDER  
.5 WS/VI/GE  
4
X6031  
X1067  
X1618  
.5 WS/VI/GE  
.5 RT/GE  
.5 BR  
.5 BR  
GROUND  
DISTRIBUTION  
0670.4  
7
16  
4
5
X19527  
X18170  
D110  
OBD II  
CONNECTOR  
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DATA LINK  
BMW  
DATA LINK CONNECTOR (X6002)  
Z3  
PIN  
TERMINAL  
NUMBER  
TERMINAL DESCRIPTION  
WIRE COLOR  
NUMBER  
ENGINE  
1
2
3
TD  
SW  
1
12  
2
DIAGNOSTIC DATA LINK  
NOT OCCUPIED  
TXD2  
-
WS/VI/GE  
13  
11  
3
5
14  
15  
16  
20  
10 19  
18  
4
4
R
VOLTAGE: HOT IN ACCY, RUN AND START  
NOT OCCUPIED  
SW/VI/GE (*VI/GN)  
WS/GN  
9
17  
7
5
6
-
-
8
6
NOT OCCUPIED  
SERVICE INTERVAL RESET  
NOT OCCUPIED  
7
8
9
SI  
-
-
BRIDGES IN CAP  
OF D100 DATA LINK  
CONNECTOR  
NOT OCCUPIED  
10  
11  
12  
13  
14  
15  
16  
-
NOT OCCUPIED  
-
NOT OCCUPIED  
2
17  
X6002  
X6002  
61(D+)  
-
GENERATOR CHARGE INDICATOR  
NOT OCCUPIED  
BL  
820 Ω  
30  
VOLTAGE: HOT AT ALL TIMES  
DIAGNOSTIC DATA LINK  
VOLTAGE: IGNITION SWITCH IN RUN AND START  
DIAGNOSTIC DATA LINK  
RT  
14  
15  
20  
RXD  
15S  
WS/GE  
GN/WS  
17  
18  
TXD2  
PGSP  
WS/VI (*WS/VI/GE)  
WS/GN (*GN/BL)  
16 15 1413 12 11 10  
9
PROGRAM SELECT FOR ENGINE CONTROL MODULE  
(DME)  
8
7
6
5
4
3
2
1
GROUND  
19  
20  
31  
BR (*BR/OR)  
WS/VI  
DIAGNOSTIC DATA LINK  
TXD  
BRIDGE IN CAP OF  
D110 OBD II  
CONNECTOR  
* 6-CYLINDER  
7
15  
16  
X19527  
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04/99  
1998  
1210.17  
S2  
IGNITION SWITCH  
15  
1210.17-00  
K6300  
ENGINE CONTROL  
MODULE RELAY  
1210.17-03  
T6151  
CYL. 1 IGNITION  
COIL  
T6152  
CYL. 2 IGNITION  
COIL  
1210.17-00  
A8500  
T6153  
TRANSMISSION  
CYL. 3 IGNITION  
COIL  
1210.17-03  
T6154  
CONTROL  
1210.17-01  
MODULE (EGS)  
CYL. 4 IGNITION  
Y6101  
COIL  
CYL. 1 FUEL  
INJECTION VALVE  
T6155  
CYL. 5 IGNITION  
COIL  
Y6102  
CYL. 2 FUEL  
INJECTION VALVE  
T6156  
CYL. 6 IGNITION  
COIL  
Y6103  
1210.17-05  
B6207  
CYL. 3 FUEL  
INJECTION VALVE  
HOT FILM AIR  
MASS METER  
* 61  
* 55  
* 78  
* 76  
* 72  
* 70  
29  
1
30  
2
31  
3
26  
73  
87  
8
7
22  
A6000  
ENGINE  
88  
CONTROL  
MODULE (DME)  
X6000  
14  
39  
42  
12  
44  
16  
45  
18  
56  
1210.17-02  
B6236  
1210.17-09  
1210.17-12  
A836  
ENGINE COOLANT  
TEMPERATURE  
SENSOR  
ELECTRONIC IMMOBILIZER  
CONTROL MODULE (EWS II)  
1210.17-05  
R6252  
1210.17-06  
B6204  
1210.17-02  
B6205  
CAMSHAFT  
THROTTLE  
POSITION SENSOR  
1210.17-09  
1210.17-12  
S221  
S221  
POSITION SENSOR  
(CYLINDER  
INTAKE AIR  
EVAPORATOR  
CONTROLLER  
TEMPERATURE  
SENSOR  
IDENTIFICATION)  
EVAPORATOR  
CONTROLLER  
BMW  
04/99  
1998  
1210.17Ća  
Z3  
Pin Assignments  
X6000  
Pin  
1
Type Description/Function  
Connection  
A
A
A
M
A
A
M
E
E
E
E
E
Cyl. 2 ignition coil control  
Cyl. 4 ignition coil control  
Cyl. 6 ignition coil control  
Ground  
Cyl. 2 ignition coil  
2
Cyl. 4 ignition coil  
3
Cyl. 6 ignition coil  
4
Ground point  
5
Cyl. 2 fuel injection valve control  
Cyl. 1 fuel injection valve control  
Ground  
Cyl. 2 fuel injection valve  
Cyl. 1 fuel injection valve  
Hot wire air mass meter  
Hot wire air mass meter  
Board computer (Z3 Roadster)  
Engine coolant temperature sensor  
Fuel tank pressure sensor  
Throttle position sensor  
6
7
8
Hot wire air mass meter  
TI-measurement signal (fuel consumption)  
Engine coolant temperature  
Fuel tank pressure  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
Throttle position signal  
Not used  
E
E
E
Intake air temperature  
Right rear speed signal  
Activate A/C  
Intake air temperature sensor  
ABS/ASC control module  
Pressure switch  
Not used  
E
Drive-away protection signal (code)  
Electronic immobilizer control module  
(EWS II)  
19  
20  
21  
22  
23  
24  
25  
E
A
A
A
A
A
M
A/C-ON-signal  
Air conditioning operating unit  
Instrument cluster  
“Check engine” indicator control  
Camshaft control  
Variable camshaft control valve  
Cyl. 3 fuel injection valve  
Cyl. 6 fuel injection valve  
Cyl. 4 fuel injection valve  
Cyl. 3 fuel injection valve control  
Cyl. 6 fuel injection valve control  
Cyl. 4 fuel injection valve control  
Oxygen sensor heating ground  
Oxygen sensor (in front of catalytic  
converter)  
26  
27  
28  
29  
E
A
M
A
Battery voltage  
Activate valve  
B+ jump start junction point  
Idle speed control valve  
Ground point  
Ground  
Cyl. 1 ignition coil control  
Cyl. 1 ignition coil  
E = Input, A = Output, M = Ground  
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BMW  
04/99  
1998  
1210.17Ćb  
Z3  
Pin Assignments  
Pin  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
Type Description/Function  
Connection  
A
A
M
A
M
A
A
Cyl. 3 ignition coil control  
Cyl. 5 ignition coil control  
Ground  
Cyl. 3 ignition coil  
Cyl. 5 ignition coil  
Ground point  
Cyl. 5 fuel injection valve control  
Ground  
Cyl. 5 fuel injection valve  
Ground point  
Activate relay  
Secondary air pump relay  
Instrument cluster  
Crankshaft RPM speed signal TD  
Not used  
M
M
M
Ground  
Shield knock sensor  
Temperature sensors  
Ground  
Ground  
Crankshaft position/RPM sensor  
Fuel tank pressure sensor  
41  
42  
43  
44  
M
M
M
A
Ground  
Shield camshaft position sensor  
Throttle position sensor  
Ground  
Ground  
Camshaft position sensor  
Voltage supply  
Throttle position sensor  
Fuel tank pressure sensor  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
A
E
Throttle position signal  
TI-measurement signal (fuel consumption)  
Not used  
ABS/ASC control module  
Instrument cluster  
A
E
A
A
A
A
E
M
Voltage supply  
Crankshaft position/RPM sensor  
Ignition switch  
Terminal 15  
Running losses  
Solenoid valve  
Activate valve  
Charcoal filter shut off valve  
Not used (Z3 Roadster)  
Idle speed control valve  
Engine control module relay  
Signal exhaust flap  
Activate valve  
Battery voltage, terminal 87  
Oxygen sensor heating ground  
Oxygen sensor II (in front of catalytic  
converter) (M Roadster)  
56  
57  
58  
59  
M
E
E
E
Ground  
Ground point  
Knock sensor  
Knock sensor  
Knock sensor  
Cyl. 1-3 knock sensor  
Cyl. 1-3 knock sensor  
Cyl. 4-6 knock sensor  
E = Input, A = Output, M = Ground  
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BMW  
04/99  
1998  
1210.17Ćc  
Z3  
Pin Assignments  
Pin  
60  
Type Description/Function  
Connection  
E
Programming voltage  
Data link connector  
61  
M
Oxygen sensor heating ground  
Oxygen sensor II (behind catalytic  
converter) (M Roadster)  
62  
63  
64  
65  
66  
67  
E
E
E
E
Activate valve  
Secondary air pump valve  
Knock sensor  
Cyl. 4-6 knock sensor  
Camshaft position  
Camshaft position  
Not used  
Camshaft position sensor  
Camshaft position sensor  
M
Oxygen sensor signal ground  
Oxygen sensor (in front of catalytic  
converter)  
68  
69  
70  
E
E
Activate valve  
Evaporative emission valve  
Fuel pump relay  
Activate relay  
M
Oxygen sensor signal ground  
Oxygen sensor II (in front of catalytic  
converter) (M Roadster)  
71  
72  
M
M
Oxygen sensor signal ground  
Oxygen sensor signal ground  
Oxygen sensor (behind catalytic converter)  
Oxygen sensor II (behind catalytic  
converter) (M Roadster)  
73  
74  
75  
E
A
E
Activate relay  
Engine control module relay  
Compressor control relay  
Activate A/C compressor  
Sensor signal  
Oxygen sensor (in front of catalytic  
converter)  
76  
E
Sensor signal  
Oxygen sensor II (in front of catalytic  
converter) (M Roadster)  
77  
78  
E
E
Sensor signal  
Sensor signal  
Oxygen sensor (behind catalytic converter)  
Oxygen sensor II (behind catalytic  
converter) (M Roadster)  
79  
80  
81  
82  
83  
84  
85  
86  
M
A
A
A
E
Oxygen sensor heating ground  
ASC signal ZA  
Oxygen sensor (behind catalytic converter)  
Slip control module (ABS/ASC)  
Slip control module (ABS/ASC)  
Slip control module (ABS/ASC)  
Crankshaft position/RPM sensor  
ASC signal ZWV  
ASC signal MSR  
Sensor signal  
Not used  
E/A CAN-LOW  
E/A CAN-HIGH  
Transmission control module (EGS)  
Transmission control module (EGS)  
E = Input, A = Output, M = Ground  
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BMW  
04/99  
1998  
1210.17Ćd  
Z3  
Pin Assignments  
Pin  
87  
Type Description/Function  
Battery voltage, terminal 87  
E/A TxD diagnosis data link  
Connection  
E
Engine control module relay  
Data link connector  
88  
E = Input, A = Output, M = Ground  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
BMW  
POWER  
POWER  
Z3  
DISTRIBUTION  
0670.2  
G6430  
B+ JUMP START  
JUNCTION POINT  
X6430  
X6411  
6 RT  
X6412  
4 RT  
14  
2.5 RT  
D100  
4 RT  
4 RT  
DATA LINK  
X6002  
CONNECTOR  
.5 RT  
6
8
X6300  
K6300  
86  
30  
ENGINE CONTROL  
MODULE RELAY  
85  
87  
4
2
X6300  
4 RT/WS  
X6821  
.5 BR  
.5 RT/WS  
2
.5 RT/WS  
.5 RT/WS  
2.5 RT/WS  
1 RT/WS  
.5 RT/WS 1.5 RT/WS  
54  
1.5 RT/WS  
X6506  
26  
X8500  
M6506  
A8500  
E–BOX FAN  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
M ROADSTER  
1210.17-01  
1210.17-10  
1210.17-11  
1210.17-01  
1210.17-05  
26  
X6000  
73  
31  
87  
54  
A6000  
ENGINE CONTROL  
MODULE (DME)  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
BMW  
Z3  
1210.17-00  
1210.17-00  
1 RT/WS  
1.5 RT/WS  
X6820  
.5 RT/WS  
.5 RT/WS  
.5 RT/WS  
.5 RT/WS  
1
.5 RT/WS  
.5 RT/WS  
1
.5 RT/WS  
2
X6130  
1
X6101  
X6101  
X6105  
X6105  
X6103  
X6103  
Y6130  
Y6101  
Y6103  
Y6105  
IDLE SPEED  
+
+
+
CYL. 1 FUEL  
CYL. 3 FUEL  
CYL. 5 FUEL  
CONTROL VALVE  
INJECTION VALVE  
INJECTION VALVE  
INJECTION VALVE  
–
–
–
2
2
2
3
1
X6130  
1
X6102  
X6102  
1
X6104  
X6104  
1
X6106  
X6106  
Y6102  
Y6104  
Y6106  
+
+
CYL. 2 FUEL  
INJECTION VALVE  
CYL. 4 FUEL  
INJECTION  
VALVE  
+
1
X6275  
X6275  
CYL. 6 FUEL  
INJECTION VALVE  
Y6275  
–
–
–
+
VARIABLE CAM-  
2
2
2
SHAFT CONTROL  
VALVE 1  
–
2
.5 WS/  
GE  
.5 WS/  
GN  
.5 GN/BL  
.75 BR/WS  
.75 BR/RT  
.75 BR/GE  
.75 BR/BL  
.75 BR/GN  
.75 BR/VI  
53  
27  
21  
6
5
22  
24  
33  
31  
23  
X6000  
A6000  
ENGINE CONTROL  
MODULE (DME)  
31  
31  
31  
31  
31  
31  
31  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
BMW  
Z3  
POWER  
S2  
A2w  
DISTRIBUTION  
IGNITION SWITCH  
INSTRUMENT  
CLUSTER  
0670.2  
0) OFF  
1) ACCESSORY  
2) RUN  
0
3
2
3) START  
1
G6430  
R
B+ JUMP START  
JUNCTION POINT  
15  
17  
18  
X17  
1
X209  
X33  
2.5 GN  
7
X6432  
2.5 GN  
X203  
.5 BR/GE  
.5 BR/VI  
POWER  
10 RT  
DISTRIBUTION  
0670.2  
10 RT  
POWER  
2.5 GN  
X6415  
X6413  
DISTRIBUTION  
0670.2  
21  
.75 GN  
X6832  
X20  
2.5 RT  
2.5 RT  
11  
12  
X20  
.5 GN  
8
6
X6326  
K6326  
86  
30  
UNLOADER RELAY,  
TERMINAL 15  
.5 GN  
.5 BR/GE  
.5 BR/VI  
85  
4
87  
2
X6326  
X8071  
X8051  
GROUND  
DISTRIBUTION  
0670.4  
2.5 GN  
49  
X6000  
A6000  
ENGINE CONTROL  
MODULE (DME)  
X6830  
14  
39  
10  
X6000  
2.5 GN  
.5 BR/GR  
X8038  
.5 BR/GE  
.5 BR/VI  
1
1
X6150  
.5 GR  
1
.5 BR/GR  
.5 BR/GR  
.5 BR/RT  
3
4
2
2
X6205  
X6256  
B6232  
B6256  
B6205  
B6236  
2.5 GN  
DUAL  
INTAKE AIR  
TEMPERATURE  
SENSOR  
ENGINE COOLANT  
TEMPERATURE  
SENSOR  
ENGINE COOLANT  
TEMPERATURE  
SENSOR  
TEMPERATURE  
SENSOR  
(COOLANT  
TEMPERATURE)  
X6454  
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2.5 GN  
X6831  
1 GN  
1 GN  
1 GN  
3
1 GN  
1 GN  
3
1 GN  
X6155  
3
1
X6151  
X6153  
T6153  
T6155  
T6151  
CYL. 3 IGNITION  
COIL  
CYL. 5 IGNITION  
COIL  
CYL. 1 IGNITION  
COIL  
3
X6156  
T6156  
3
1
X6152  
T6152  
3
X6154  
T6154  
2
X6151  
1
2
X6153  
1
2
X6155  
CYL. 6 IGNITION  
COIL  
CYL. 2 IGNITION  
COIL  
CYL. 4 IGNITION  
COIL  
X6154  
2
X6152  
1
X6156  
2
2
1
1 BR  
1 BR  
1 BR  
1 BR  
1 BR  
1 BR  
GROUND  
GROUND  
GROUND  
DISTRIBUTION  
0670.4  
DISTRIBUTION  
0670.4  
DISTRIBUTION  
0670.4  
R8554  
R8554  
R8554  
240  
2W  
240  
2W  
240  
2W  
RESISTOR  
RESISTOR  
RESISTOR  
1.5 BR  
1.5 BR  
1.5 BR  
1 SW/WS  
4
1 SW/RT  
9
1 SW/GE  
7
1 SW/BL  
6
1 SW/GN  
3
1 SW/VI  
10  
X6456  
X6456  
X6456  
X6150  
W6165  
SHIELD UP TO  
10mm BEFORE  
IGNITION COIL  
CONNECTOR  
GROUND  
DISTRIBUTION  
0670.4  
1.5 SW/WS  
29  
1.5 SW/RT  
1
1.5 SW/GE  
30  
1.5 SW/BL  
2
1.5 SW/VI  
X6454  
1.5 SW/GN  
31  
3
X6000  
A6000  
ENGINE CONTROL  
MODULE (DME)  
31  
31  
31  
31  
31  
31  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
BMW  
OBD II DIAGNOSIS  
Z3  
1210.17-05  
1210.17-06  
A6000  
P90  
P90  
ENGINE  
FRONT POWER  
DISTRIBUTION BOX  
FRONT POWER  
DISTRIBUTION BOX  
F42  
5A  
F13  
5A  
CONTROL  
MODULE (DME)  
X6000  
11  
46  
20  
51  
X10018  
X10016  
24  
6
FUSE DETAILS  
0670.3  
FUSE DETAILS  
0670.3  
D110  
OBD II  
CONNECTOR  
7
X19527  
.5 WS/VI/GE  
.5 GR/WS  
.5 BR/SW  
.5 GE/RT  
.5 GN/RT  
.5 GR  
1
.5 GN/BL  
2
6
7
5
3
X6031  
8
4
X6031  
.5 VI/GN  
.5 WS/VI/GE  
.5 GR/WS  
.5 BR/SW  
.5 GE/RT  
.5 GN/RT  
.5 GR  
.5 GN/BL  
1
2
3
X6501  
13  
X17 16  
X16  
A2w  
X8103  
X6868  
INSTRUMENT  
CLUSTER  
.5 GR/WS  
1
.5 BR/SW  
2
.5 GE/RT  
3
.5 VI/GN  
.5 WS/VI/GE  
X19528  
2
X6247  
B6247  
1
B65  
DDS +  
DDS –  
DDSS  
FUEL TANK  
PRESSURE  
SENSOR  
CHARCOAL  
4
2
X6002  
FILTER SHUT–  
OFF VALVE  
D100  
DATA LINK  
CONNECTOR  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
BMW  
1210.17-10  
1210.17-11  
Z3  
G6430  
POWER  
B+ JUMP START  
JUNCTION POINT  
DISTRIBUTION  
0670.2  
30  
X6822 (PARTIAL)  
1210.17-00  
.5 RT/WS  
3
POWER  
X6207  
DISTRIBUTION  
0670.2  
.5 RT/WS  
2
.5 RT/WS  
.5 RT/WS  
B6207  
X6163  
X6163  
HOT FILM AIR  
MASS METER  
Y6163  
8
2
X6304  
SECONDARY AIR  
PUMP VALVE  
K6304  
.5 RT/WS  
SECONDARY AIR  
PUMP RELAY  
1
+
X6120  
X6120  
1
Y6120  
+ –  
EVAPORATIVE  
1
X6550  
X6550  
EMISSION VALVE  
–
Y6550  
4
6
5
X6304  
2
SOLENOID VALVE  
(”RUNNING  
LOSSES”)  
1
4
2
X6207  
2
.5 GE  
8
.5 SW  
7
.5 BR  
68  
.5 BR/WS  
62  
.5 GE/BL  
50  
.5 BR/GN  
35  
X6000  
A6000  
5V (15)  
ENGINE CONTROL  
MODULE (DME)  
31  
31  
31  
31  
31  
31  
32  
34  
4
28  
56  
42  
12  
44  
X6000  
4 RT/GE  
2
X6133  
Y6133  
AIR PUMP  
2.5 BR  
1.5 BR  
1.5 BR  
.5 BR  
.5 SW  
.5 RT/GN  
X8000  
.5 GR/WS  
1210.17-04  
1
X6133  
.5 RT/GN  
3
1
2
X6252  
R6252  
THROTTLE  
GROUND  
GROUND  
GROUND  
GROUND  
DISTRIBUTION  
0670.4  
GROUND  
DISTRIBUTION  
0670.4  
GROUND  
DISTRIBUTION  
0670.4  
POSITION SENSOR  
DISTRIBUTION  
0670.4  
DISTRIBUTION  
0670.4  
DISTRIBUTION  
0670.4  
X6454  
X6456  
X6455  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
BMW  
Z3  
A6000  
ENGINE CONTROL  
MODULE (DME)  
57  
58  
59  
63  
38  
64  
43  
65  
41  
83  
48  
40  
X6000  
.5 GE  
.5 SW  
.5 GN  
.5 BR  
.35 SW  
.35 BR  
.35 GE  
.35 SW  
.5 GE .75 BR/SW  
X6475  
.5 BR/SW  
1210.17-04  
W9110  
SHIELD  
W6204  
W6203  
SHIELD UP TO  
10mm BEFORE  
CAMSHAFT  
CRANKSHAFT  
POSITION/RPM  
SENSOR SHIELD  
POSITION SENSOR  
(CYLINDER  
GROUND  
IDENTIFICATION)  
.35 BR  
DISTRIBUTION  
0670.4  
X6454  
2
3
1
X6204  
X6203  
2
1
3
1
2
3
4
X6240  
B6240  
KNOCK SENSOR  
B6204  
B6203  
CAMSHAFT  
CRANKSHAFT  
POSITION/RPM  
SENSOR  
POSITION SENSOR  
(CYLINDER  
IDENTIFICATION)  
CYL. 1–3  
CYL. 4–6  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52/S52)  
BMW  
Z3  
K21  
A6000  
NORMAL SPEED  
RELAY  
ENGINE CONTROL  
MODULE (DME)  
P90  
FRONT POWER  
DISTRIBUTION BOX  
85b  
F39  
F16  
5A  
7.5A  
5
X52  
16  
X6000  
18 X10018  
12 X10016  
.5 SW/GR  
.5 SW/GR  
5
FUSE DETAILS  
0670.3  
FUSE DETAILS  
X20  
0670.3  
.5 SW/GR  
X1022  
6
4
X51  
K19  
30  
86  
COMPRESSOR  
CONTROL RELAY  
Z3 ROADSTER  
.5 SW/GR  
4
X127  
87  
2
85  
5
B9508  
PRESSURE  
SWITCH  
X51  
B8y  
PRESSURE SWITCH  
1) PRESSURE  
BELOW 21 BAR  
2) PRESSURE  
ABOVE 30 BAR  
3) PRESSURE  
ABOVE 2.6 BAR  
4) PRESSURE  
BELOW 1.5 BAR  
1
2
.75 SW  
.5 SW/BL  
3
4
4
X20  
.5 SW/BL  
1
X127  
M ROADSTER  
.5 VI  
1
1
X10241  
X163  
4
X10054  
.5 SW/GE  
1 VI  
74  
X6000  
Y2  
M ROADSTER  
A6000  
AIR CONDITIONING  
COMPRESSOR  
1) NORMAL  
ENGINE CONTROL  
MODULE (DME)  
5
X18350  
S221  
2
1
TEMPERATURE  
2) HIGH  
EVAPORATOR  
CONTROLLER  
TEMPERATURE  
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Z3 ROADSTER  
ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)  
BMW  
Z3  
A2w  
A836  
A52  
R
INSTRUMENT  
CLUSTER  
3) ENGINE SPEED  
INPUT  
ELECTRONIC  
IMMOBILIZER  
CONTROL MODULE  
(EWS II)  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
.5 GN/BL  
X6860  
18  
17  
3
D100  
DATA LINK  
CONNECTOR  
20  
X16  
12  
X1659  
41  
X1171  
X6002  
.5 SW  
.35 SW  
.5 SW  
.5 WS/VI/GE  
.5 WS/VI/GE  
DATA LINK  
0670.5  
X6869  
X1047  
X20  
.5 WS/VI/GE  
.5 GN/BL  
.5 SW  
20  
.5 SW  
X8015  
.5 SW  
36  
88  
TXD2  
60  
X6000  
A6000  
TD  
PGSP  
ENGINE CONTROL  
MODULE (DME)  
.5 SW  
31  
CAN-L  
CAN-H  
86 X6000  
85  
.35 SW  
.35 GE  
X8090  
X8091  
.35 SW  
.35 SW  
85  
.35 GE  
86  
.35 GE  
1
X8500  
1
X6002  
A8500  
2
X20  
X20  
CAN-LOW  
CAN-HIGH  
TRANSMISSION  
D100  
NOT USED  
NOT USED  
CONTROL MODULE  
(EGS)  
DATA LINK  
CONNECTOR  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)  
Z3 ROADSTER  
BMW  
Z3  
A836  
A35y  
S220  
S221  
ELECTRONIC  
IMMOBILIZER  
CONTROL MODULE  
(EWS II)  
BOARD  
AIR CONDITION-  
ING/RECIRCULAT-  
ING SWITCH  
ASSEMBLY  
EVAPORATOR  
CONTROLLER  
COMPUTER  
(BC – LOW)  
4
X10245  
2
X18349  
3
X18350  
4
X1659  
1 SW/VI  
1 SW/VI  
2.5 GN  
.35 WS/SW  
X189  
1 SW/VI  
5
X10054  
.5 SW/VI  
7
24  
6
X20  
.5 GN  
18  
.5 WS/SW  
.5 VI/GR  
19  
9
X6000  
A6000  
1
Ti  
ENGINE CONTROL  
MODULE (DME)  
1) DRIVE–AWAY  
PROTECTION  
31  
31  
31  
15  
82  
45  
80  
81  
X6000  
.5 BR/RT  
.5 WS/RT/GE  
.5 WS/GR/GE  
.5 WS/GN  
.5 WS/GR  
9
X20  
3
5
6
7
X69  
.5 BR/RT  
15  
.5 WS/RT/GE  
5
.5 WS/GR/GE  
26  
.5 WS/GN  
4
.5 WS/GR  
25  
X1171  
A52  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
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Z3 ROADSTER  
ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER M52)  
BMW  
1210.17-00  
Z3  
2.5 RT/WS  
1 RT/WS  
1210.17-05  
14  
X20  
X6822 (PARTIAL)  
.5 RT/WS  
5
X10016  
P90  
FRONT POWER  
DISTRIBUTION BOX  
.5 RT/WS  
.5 RT/WS  
F18  
15A  
F13  
5A  
16  
6
X10016  
FUSE DETAILS  
0670.3  
FUSE DETAILS  
0670.3  
3
X6210  
3
X6220  
B6220y  
B6210y  
OXYGEN SENSOR  
(BEHIND  
OXYGEN SENSOR  
(IN FRONT OF  
CATALYTIC  
CATALYTIC  
CONVERTER)  
CONVERTER)  
1
4
2
X6220  
1
4
2
X6210  
6
8
X6301  
K6301  
30  
86  
.5 BR  
CYL. 1–6 FUEL  
PUMP RELAY  
85  
87  
X80253  
2
4
X6301  
.5 BR/GN  
2.5 GN/VI  
NOT USED  
13  
3
X20  
4
X6500  
M2  
FUEL PUMP  
.5 GN/VI  
69  
.5 GR/VI  
52  
.5 BR  
25  
.5 GE .5 SW  
.5 BR .5 GE .5 SW  
75  
67  
79  
77  
71  
X6000  
A6000  
1
X6500  
GROUND  
DISTRIBUTION  
0670.4  
ENGINE CONTROL  
MODULE (DME)  
X13032  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)  
M ROADSTER  
BMW  
1210.17-00  
Z3  
2.5 RT/WS  
X6822 (PARTIAL)  
1 RT/WS  
1210.17-05  
14  
X20  
.5 RT/WS  
5
X10016  
P90  
FRONT POWER  
DISTRIBUTION BOX  
F18  
15A  
F13  
5A  
.5 RT/WS  
3
.5 RT/WS  
.5 RT/WS  
.5 RT/WS  
16  
6
X10016  
FUSE DETAILS  
0670.3  
FUSE DETAILS  
0670.3  
X62101  
3
X62102  
B62101  
B62102  
OXYGEN SENSOR  
I (IN FRONT OF  
CATALYTIC  
OXYGEN SENSOR  
I (BEHIND  
CATALYTIC  
CONVERTER)  
3
CONVERTER)  
X62201  
3
X62202  
B62201  
B62202  
1
4
2
X62101  
1
4
2
X62102  
OXYGEN SENSOR  
II (IN FRONT OF  
CATALYTIC  
OXYGEN SENSOR  
II (BEHIND  
6
8
X6301  
K6301  
CATALYTIC  
CONVERTER)  
CONVERTER)  
30  
86  
CYL. 1–6 FUEL  
PUMP RELAY  
1
4
2
X62201  
1
4
2
X62202  
85  
87  
2
4
X6301  
X20  
.5 BR/GN  
2.5 GN/VI  
13  
4
X6500  
M2  
FUEL PUMP  
.5 GN/VI  
69  
.5 BR .5 GE .5 SW  
25 75 67  
.5 BR .5 GE .5 SW  
55 76 70  
.5 BR  
79  
.5 GE .5 SW  
77 71  
.5 BR .5 GE .5 SW  
61 78 72  
X6000  
1
X6500  
A6000  
GROUND  
DISTRIBUTION  
0670.4  
ENGINE CONTROL  
MODULE (DME)  
X13032  
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ENGINE CONTROL SYSTEM MS41.1 (6–CYLINDER S52)  
BMW  
Z3  
S221  
A836  
A52  
A2w  
S220  
K33a  
R
EVAPORATOR  
CONTROLLER  
ELECTRONIC  
IMMOBILIZER  
CONTROL  
MODULE  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
INSTRUMENT  
CLUSTER  
3) ENGINE SPEED  
INPUT  
AIR CONDITIONING/  
RECIRCULATING  
SWITCH ASSEMBLY  
AIR CONDITIONING  
RELAY, MOTRONIC  
3
(EWS II)  
X1659  
20  
X1175  
2
X18349  
8
X50  
X35  
3
X18350  
X189  
4
12  
20  
X16  
.5 SW/VI  
2.5 GN  
.35 SW  
.5 SW  
.35 SW  
1 SW/VI  
1 SW/VI  
2
1.5 SW/VI  
X1047  
1 SW/VI  
5
X10054  
X20  
.5 SW  
.5 SW/VI  
7
20  
24  
6
.5 VI/GR  
19  
.5 SW  
1
D100  
.5 SW  
.5 GN  
X8015  
.5 SW  
DATA LINK  
.5 WS/SW  
X6002 CONNECTOR  
18  
1
36  
9
X6000  
A6000  
TD  
TI  
ENGINE CONTROL  
MODULE (DME)  
1) DRIVE–AWAY  
PROTECTION  
31  
TXD 2  
31  
31  
82  
31  
PGSP  
80  
81  
11  
45  
15  
88  
60  
X6000  
.5 BR/RT  
2
X20  
.5 WS/VI/GE  
.5 GN/BL  
9
10  
12  
X6031  
17  
18  
X6002  
.75 BR/RT  
32  
X11  
18  
81  
77  
88  
A7  
SLIP CONTROL  
MODULE (ABS)  
04/99  
1998  
1210.20  
1210.20 ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
1210.20-08  
P90  
1210.20-02  
S2  
1210.20-05  
1210.20-02  
1210.20-09  
A836  
FRONT POWER  
DISTRIBUTION BOX  
1210.20-00  
IGNITION  
SWITCH  
ELECTRONIC  
F16  
5A  
G6430  
G6430  
IMMOBILIZER CONTROL  
MODULE (EWS II)  
B+ JUMP START  
B+ JUMP START  
JUNCTION POINT  
JUNCTION POINT  
1210.20-08  
1210.20-05  
A35y  
K19  
86  
85  
BOARD COMPUTER  
(BC – LOW)  
COMPRESSOR  
CONTROL RELAY  
1210.20-02  
1210.20-06  
1210.20-07  
A2w  
K6326  
1210.20-00  
K6300  
1210.20-00  
A8500  
UNLOADER RELAY,  
TERMINAL 15  
ENGINE CONTROL  
MODULE RELAY  
TRANSMISSION  
INSTRUMENT  
CLUSTER  
CONTROL MODULE  
(EGS)  
1210.20-08  
D100  
S221  
DATA LINK  
CONNECTOR  
1210.20-03  
T6153  
1210.20-03  
T6151  
EVAPORATOR  
CONTROLLER  
1210.20-01  
1210.20-09  
1210.20-09  
K6304  
1210.20-01  
Y6101  
1210.20-09  
Y6163  
1210.20-02  
P90  
CYL. 3 IGNITION  
COIL  
CYL. 1 IGNITION  
COIL  
Y6131  
1210.20-04  
1210.20-08  
S220  
SECONDARY AIR  
PUMP RELAY  
+
-
CYL. 1 FUEL  
SECONDARY AIR  
PUMP VALVE  
+
-
INTAKE AIR RES-  
FRONT POWER  
DISTRIBUTION BOX  
B6209  
F18  
15A  
F13  
5A  
INJECTION VALVE  
ONANCE CHANGE-  
OVER VALVE  
T6154  
HALL EFFECT CAM-  
SHAFT SENSOR  
T6152  
AIR CONDITION-  
CYL. 4 IGNITION  
COIL  
CYL. 2 IGNITION  
COIL  
ING/RECIRCULAT-  
ING SWITCH  
Y6102  
CYL. 2 FUEL  
INJECTION VALVE  
Y6120  
ASSEMBLY  
EVAPORATIVE  
EMISSION VALVE  
1210.20-02  
K6301w  
1210.20-09  
Y6103  
1210.20-06  
B6217  
Y6133  
FUEL PUMP RELAY  
1210.20-06  
CYL. 3 FUEL  
INJECTION VALVE  
Y6263  
AIR PUMP  
K21  
HOT FILM AIR  
MASS METER  
FUEL CHANGE-  
OVER VALVE  
NORMAL SPEED  
RELAY  
Y6104  
1210.20-02  
B6247  
1210.20-01  
Y6130  
CYL. 4 FUEL  
INJECTION VALVE  
CHARCOAL FILTER  
IDLE SPEED  
CONTROL VALVE  
1210.20-02  
SHUT–OFF VALVE  
D100  
M2  
DATA LINK  
FUEL PUMP  
CONNECTOR  
3
32  
31  
58  
61  
66  
49  
50  
22  
23  
26  
27  
2
29  
X6000  
64  
56  
10  
83  
8
42  
80  
57  
60  
69  
54  
4
X6000  
21  
17  
45  
63  
65  
36  
A6000  
87  
ENGINE CONTROL  
MODULE (DME)  
RXD  
TXD  
88  
X6000  
X6000  
70  
40  
71  
20  
78  
46  
19  
30  
X6000  
1
77  
16  
72  
53  
44  
74  
85  
86  
34  
55  
6
68  
79  
11  
28  
1210.20-05  
1210.20-05  
B6232  
B6205  
INTAKE AIR  
TEMPERATURE  
SENSOR  
ENGINE COOLANT  
TEMPERATURE  
SENSOR  
1210.20-08  
B9508  
1210.20-06  
A8500  
1210.20-05  
B65  
1210.20-05  
R6252  
TRANSMISSION  
PRESSURE  
SWITCH  
1210.20-04  
1210.20-04  
B62002  
FUEL TANK  
PRESSURE  
SENSOR  
THROTTLE  
CONTROL MODULE  
(EGS)  
B62001  
POSITION  
SENSOR  
OXYGEN SENSOR  
(IN FRONT OF  
CATALYTIC  
OXYGEN SENSOR  
(BEHIND  
CATALYTIC  
CONVERTER)  
CONVERTER)  
1210.20-05  
B6240  
KNOCK SENSOR  
1210.20-06  
S36y  
1210.20-08  
S221  
1210.20-04  
B6203  
1210.20-06  
A52  
CRANKSHAFT  
POSITION/RPM  
SENSOR  
DOUBLE  
EVAPORATOR  
CONTROLLER  
SLIP CONTROL  
MODULE  
TEMPERATURE  
SWITCH  
(ABS/ASC)  
N
S
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BMW  
04/99  
1998  
1210.20Ća  
Z3  
Pin Assignments  
X6000  
Pin  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
Type Description/Function  
Connection  
A
A
A
A
Oxygen sensor heating (–)  
Activate valve  
Oxygen sensor (behind catalytic converter)  
Idle speed control valve  
Activate valve  
Cyl. 1 fuel injection valve  
Activate valve  
Cyl. 4 fuel injection valve  
Not used  
M
A
Ground, fuel injection valve output stages  
Not used  
Ground point  
“Check engine” indicator control  
Not used  
Instrument cluster  
E
E
Drive-away protection signal  
Electronic immobilizer control module  
(EWS II)  
99  
Activate A/C  
Not used  
Pressure switch  
100  
101  
102  
103  
104  
105  
106  
107  
Not used  
Not used  
Not used  
E
Intake air temperature  
Ground  
Intake air temperature sensor  
Hot film air mass meter  
M
Not used  
E
Oxygen sensor signal  
Oxygen sensor (in front of catalytic  
converter)  
108  
109  
110  
111  
112  
113  
114  
115  
116  
E
E
A
A
Crankshaft position/RPM  
Camshaft position  
Crankshaft position/RPM sensor  
Hall effect camshaft sensor  
Cyl. 3 ignition coil  
Cyl. 3 ignition coil control  
Cyl. 4 ignition coil control  
Not used  
Cyl. 4 ignition coil  
Not used  
E
A
Battery voltage  
B+ jump start junction point  
Engine control module relay, terminal 85  
Ground point  
Engine control module relay control  
M
Ground for electronics and shielding of  
sensors  
E = Input, A = Output, M = Ground  
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BMW  
04/99  
1998  
1210.20Ćb  
Z3  
Pin Assignments  
Pin  
117  
118  
Type Description/Function  
Connection  
A
A
Idle speed control valve control  
Oxygen sensor heating  
Idle speed control valve  
Oxygen sensor (in front of catalytic  
converter)  
119  
120  
121  
122  
A
A
Activate valve  
Activate valve  
Not used  
Cyl. 3 fuel injection valve  
Cyl. 2 fuel injection valve  
M
A
Ground, remaining output stages (except  
for ignition and fuel injection valves)  
Ground point  
123  
124  
125  
126  
127  
128  
129  
130  
131  
132  
133  
134  
135  
136  
137  
138  
139  
140  
141  
Not used  
A/C compressor cut-out  
Not used  
Compressor control relay  
Not used  
Not used  
E
E
Cyl. 3-4 knock sensor  
Not used  
Knock sensor  
TI-measurement signal (fuel consumption)  
Not used  
Instrument cluster  
E
E
Throttle position  
Signal input  
Throttle position sensor  
Hot film air mass meter  
Oxygen sensors  
M
Sensor ground  
Not used  
Not used  
A
A
Cyl. 1 ignition coil control  
Cyl. 2 ignition coil control  
Not used  
Cyl. 1 ignition coil  
Cyl. 2 ignition coil  
Not used  
A
E
Component supply (+)  
Throttle position sensor/fuel tank pressure  
sensors  
142  
Battery voltage from engine control module Engine control module relay, terminal 87  
relay  
143  
144  
145  
M
E
A
Ground, ignition  
Ground point  
Ignition switch, terminal 15  
Activate auxiliary fan  
Ignition switch, terminal 15  
Normal speed relay  
E = Input, A = Output, M = Ground  
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BMW  
04/99  
1998  
1210.20Ćc  
Z3  
Pin Assignments  
Pin  
146  
147  
148  
149  
150  
151  
152  
153  
154  
155  
156  
157  
158  
159  
Type Description/Function  
Connection  
A
Activate valve  
Not used  
Intake air resonance changeover valve  
E
A
Programming voltage  
Activate valve  
Not used  
Data link connector  
Evaporation emission valve  
A
A
A
A
Activate relay  
Fuel pump relay  
Activate air pump  
Activate valve  
Activate valve  
Not used  
Secondary air pump valve/relay  
Charcoal filter shut-off valve  
Fuel changeover valve  
E
E
E
M
Signal above 80 _C  
A/C-ON-signal  
Cyl 1-2 knock sensor  
Ground for sensors  
Double temperature switch  
Air conditioning operating unit  
Knock sensor  
Temperature/knock/throttle position/fuel  
tank pressure sensors  
160  
161  
162  
163  
164  
165  
166  
167  
168  
169  
170  
171  
172  
173  
174  
175  
176  
E
E
Fuel tank pressure  
Not used  
Fuel tank pressure sensor  
Temperature signal  
Not used  
Engine coolant temperature sensor  
Not used  
E
E
E
E
Oxygen sensor signal  
Crankshaft position/RPM  
Right rear speed signal  
Crankshaft RPM speed signal TD  
Not used  
Oxygen sensor (behind catalytic converter)  
Crankshaft position/RPM sensor  
ABS/ASC control module  
Instrument cluster  
Not used  
E
Vehicle speed signal  
Not used  
Board computer (BC-Low)  
E/A CAN-LOW  
E/A CAN-HIGH  
EGS/ASC control module  
EGS/ASC control module  
Data link connector  
A
RxD diagnosis data line  
E/A TxD diagnosis data line  
Data link connector  
E = Input, A = Output, M = Ground  
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
BMW  
POWER, FUEL INJECTION VALVES  
POWER  
Z3  
DISTRIBUTION  
0670.2  
G6430  
B+ JUMP START  
JUNCTION POINT  
X6430  
6 RT  
X6410  
4 RT  
8
4 RT  
6
X6300  
K6300  
86  
30  
ENGINE CONTROL  
MODULE RELAY  
2.5 RT  
1 RT  
1 RT  
85  
4
87  
2
X6300  
14  
X6002  
4 RT/WS  
D100  
1.5 RT/WS  
54  
1.5 RT/WS  
55  
DATA LINK  
CONNECTOR  
26  
X8500  
A8500  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
1 RT/WS  
(PARTIAL) X6821  
.5 BR/WS  
2.5 RT/WS  
1.5 RT/WS  
.5 GN  
.5 GN  
2.5 RT/  
WS  
.5 RT/WS  
.35 RT/WS .5 RT/WS  
1 RT/WS  
26  
31  
27  
54  
X6000  
A6000  
ENGINE CONTROL  
MODULE (DME)  
31  
1210.20-06  
1210.20-04  
1210.20-09 1210.20-04  
1210.20-02  
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2.5 RT/WS  
29  
2.5 RT/WS  
11  
.5 RT/WS  
8
X6091  
2.5 RT/WS  
X6820  
.5 RT/WS  
.5 RT/WS  
.5 RT/WS  
.5 RT/WS  
2.5 RT/WS  
2
.5 RT/WS  
.5 RT/WS  
2
X6120  
X6120  
1
+
X6101  
X6101  
1
+
X6103  
X6103  
X6131  
X6131  
Y6103  
Y6120  
Y6101  
Y6131  
+
+
CYL. 3 FUEL  
EVAPORATIVE  
EMISSION VALVE  
CYL. 1 FUEL  
INTAKE AIR RES-  
ONANCE CHANGE-  
OVER VALVE  
INJECTION VALVE  
INJECTION VALVE  
–
–
–
–
2
2
1
1
1
X6102  
X6102  
1
X6104  
X6104  
2
X6130  
X6130  
Y6102  
Y6104  
Y6130  
+
+
CYL. 2 FUEL  
CYL. 4 FUEL  
INJECTION VALVE  
IDLE SPEED  
INJECTION VALVE  
CONTROL VALVE  
–
–
2
2
1
3
.5 BR/GE  
.5 BR/GN  
.5 BR/BL  
.5 BR/WS  
.5 BR/BL  
.5 BR  
.5 BR/  
GN  
.5 BR/VI  
12  
13  
20  
21  
15  
10  
7
X6091  
.5 BR/GE  
.5 BR/WS  
.5 BR/GE  
.5 BR/WS  
.5 BR/BL  
.5 BR  
.5 BR/  
GN  
3
32  
31  
4
58  
2
29  
61  
X6000  
A6000  
ENGINE CONTROL  
MODULE (DME)  
31  
31  
31  
31  
31  
31  
31  
31  
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
BMW  
IGNITION COILS AND FUEL PUMP  
POWER  
Z3  
1210.20-00  
DISTRIBUTION  
0670.2  
S2  
IGNITION SWITCH  
0) OFF  
1 RT/WS  
X20  
14  
1) ACCESSORY  
2) RUN  
0
3
2
15  
1
1
.5 RT/WS  
3) START  
G6430  
B+ JUMP START  
JUNCTION POINT  
X209  
X33  
5
6
X10016  
2.5 GN  
7
P90  
X6433  
FRONT POWER  
DISTRIBUTION BOX  
F18  
15A  
F13  
5A  
2.5 GN  
POWER  
X203  
DISTRIBUTION  
0670.2  
X10016  
16  
2.5 RT  
2.5 GN  
FUSE DETAILS  
0670.3  
FUSE DETAILS  
0670.3  
21  
X20  
2.5 GN  
X6832  
.5 GN  
8
6
X6326  
8
6
30  
X6301  
FUSE DETAILS  
0670.3  
K6326  
K6301w  
30  
86  
86  
UNLOADER RELAY,  
TERMINAL 15  
FUEL PUMP RELAY  
2
X6247  
B6247  
CHARCOAL FILTER  
SHUT–OFF VALVE  
87  
85  
4
85  
4
87  
X6301  
2
X6326  
X6247  
X6031  
1
2
2.5 GN  
.5 GN  
.5 GN/BL  
2
.5 BR/GN  
13  
2.5 GN/VI  
X20  
4
X6500  
X6500  
M2  
FUEL PUMP  
.5 GN/BL  
65  
.5 GN/VI  
63  
GROUND  
DISTRIBUTION  
0670.4  
1
56  
X6000  
A6000  
GROUND  
DISTRIBUTION  
0670.4  
ENGINE CONTROL  
MODULE (DME)  
X6454  
X13032  
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2.5 GN  
2
X6150  
X6833  
2.5 GN  
1 GN  
1 GN  
1 GN  
1 GN  
3
X6151  
3
X6152  
T6152  
3
X6153  
3
X6154  
T6154  
T6151  
T6153  
CYL. 1 IGNITION  
COIL  
CYL. 2 IGNITION  
COIL  
CYL. 3 IGNITION  
COIL  
CYL. 4 IGNITION  
COIL  
1
2
X6151  
1 BR  
2
1
X6152  
1
X6153  
1 BR  
2
1
X6154  
2
SPARK PLUGS  
1 BR  
GROUND  
1 BR  
GROUND  
DISTRIBUTION  
0670.4  
DISTRIBUTION  
0670.4  
1 WS  
1
1 RT  
7
1 GE  
5
1 BL  
6
X6456  
X6456  
X6150  
W6165  
SHIELD UP TO  
10mm BEFORE  
IGNITION COIL  
CONNECTOR  
1.5  
WS  
1 .5 RT  
1.5 GE  
22  
1.5 BL  
23  
49  
31  
50  
X6000  
A6000  
ENGINE CONTROL  
MODULE (DME)  
31  
31  
31  
X6454  
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
BMW  
HEATED OXYGEN SENSOR, CRANKSHAFT SENSORS  
Z3  
A6000  
ENGINE CONTROL  
MODULE (DME)  
5V (15)  
15  
15  
31  
19  
77  
20  
78  
X6000  
.5 GE  
.35 SW  
.35 GE  
1210.20-00  
W6203  
.5 GN  
1
CRANKSHAFT  
POSITION/RPM  
SENSOR SHIELD  
4
X62002  
1210.20-00  
B62002  
1
2
5
X6091  
OXYGEN SENSOR  
(BEHIND  
.35 SW  
.35 GE  
CATALYTIC  
CONVERTER)  
.5 GN  
1
.5 GE  
4
W6203  
X62001  
CRANKSHAFT  
POSITION/RPM  
SENSOR SHIELD  
1210.20-00  
3
2
X62002  
B62001  
.35 RT/WS  
OXYGEN SENSOR  
(IN FRONT OF  
CATALYTIC  
3
2
1
X6203  
28  
X6091  
X6209  
CONVERTER)  
.35 GE  
1
W6203  
CRANKSHAFT  
POSITION/RPM  
SENSOR SHIELD  
2
3
X62001  
B6209  
.5 BR  
.5 SW  
.5 SW  
.5 BR  
HALL EFFECT CAM-  
SHAFT SENSOR  
B6203  
CRANKSHAFT  
POSITION/RPM  
SENSOR  
X8008  
.75 SW  
46  
2
3
X6209  
.35 SW  
N
S
27  
.35 GE  
X6091  
X6000  
30  
31  
1
21  
A6000  
GROUND  
GROUND  
DISTRIBUTION  
0670.4  
ENGINE CONTROL  
MODULE (DME)  
DISTRIBUTION  
0670.4  
31  
31  
31  
X6454  
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
BMW  
Z3  
A35y  
A836  
15  
BOARD  
ELECTRONIC  
IMMOBILIZER  
CONTROL MODULE  
(EWS II)  
COMPUTER  
(BC – LOW)  
4
X10245  
4
X1659  
2.5 GN  
.35 WS/SW  
7
24  
X20  
.5 SW/VI  
.5 WS/SW  
10  
83  
X6000  
A6000  
15  
1
TI  
ENGINE CONTROL  
MODULE (DME)  
1) DRIVE–AWAY  
PROTECTION  
31  
16  
31  
70  
40  
71  
53  
74  
X6000  
X6091  
72  
.5 GE/RT  
44  
.75 GR/WS  
.5 BR/VI  
.5 BR/RT  
.5 BR/RT  
1
X6205  
X10169  
B6205  
.5 GR/WS  
6
.5 GR/WS  
3
INTAKE AIR  
TEMPERATURE  
SENSOR  
5
X6031  
.35 SW  
.35 SW  
.75 BR/SW  
6
22  
.5 GE/RT  
.5 GR/WS  
1
3
X6501  
2
X6205  
.5 GR/WS  
1
.5 BR/VI  
2
.5 BR/RT  
.5 BR/SW  
.5 GE/RT  
.5 GR/WS  
1
3
X19528  
B65  
X6252  
R6252  
X6461  
FUEL TANK  
THROTTLE  
POSITION  
SENSOR  
W9110  
W9110  
PRESSURE  
SENSOR  
SHIELD  
SHIELD  
.75 BR/SW  
4
.5 BR/SW  
7
1
X19528  
3
X6252  
3
X6232  
X6232  
X6031  
X6091  
.5 BR/SW  
2
B6232  
1
2
3
4
X6240  
ENGINE COOLANT  
TEMPERATURE  
SENSOR  
X6501  
.75 BR/SW  
.5 BR/SW  
W9110  
W9110  
SHIELD  
SHIELD  
4
.5 BR/SW  
B6240  
KNOCK SENSOR  
.5 BR/SW  
CYL. 1 AND 2  
CYL. 3 AND 4  
X8005  
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
BMW  
1210.20-00  
Z3  
A52  
A8500  
SLIP CONTROL  
MODULE  
(ABS/ASC)  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
CAN HIGH  
CAN LOW  
CAN HIGH  
85  
CAN LOW  
37  
7
6
X1170  
86 X8500  
1.5 RT/WS  
3
.5 WS/GN  
.35 GE  
.35 SW  
.35 SW  
.35 GE  
X6217  
B6217  
HOT FILM AIR  
MASS METER  
+ –  
9
1
2
.35 SW  
X7846  
X20  
.5 SW/WS  
.35 GE  
1
2
4
X6217  
X7845  
.5 GR/BL  
.5 GR/VI  
.35 GE  
86  
3.5 SW  
85  
17  
45  
79  
X6000  
A6000  
CAN HIGH  
CAN LOW  
ENGINE CONTROL  
MODULE (DME)  
31  
31  
31  
31  
34  
55  
68  
57  
X6000  
X20  
6
28  
1.5 BR  
8
42  
2.5 BR  
2.5 BR  
2.5 BR  
.5 GR  
.5 GN/RT  
.5 GR/VI  
.5 RT/WS  
1
3
X6031  
3
.35 SW/GN  
2
8
.5 GR  
16  
.5 GN/RT  
.35 SW/GR  
GROUND  
GROUND  
DISTRIBUTION  
0670.4  
5
X16  
13  
X17  
X11379  
X52  
K21  
DISTRIBUTION  
0670.4  
A2w  
S36y  
INSTRUMENT  
CLUSTER  
DOUBLE  
TEMPERATURE  
SWITCH  
NORMAL SPEED  
RELAY  
X6454  
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ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
BMW  
DATA LINK  
Z3  
A836  
A8500  
ELECTRONIC  
IMMOBILIZER  
CONTROL MODULE  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
TD  
(EWS II)  
12  
X1659  
TXD  
40  
88  
X8500  
A2w  
15  
INSTRUMENT  
CLUSTER  
3) ENGINE SPEED  
INPUT  
3
20  
X16  
.35 SW  
.5 SW  
.5 SW  
.5 WS/VI  
X1047  
.5 SW  
DATA LINK  
0670.5  
20  
X20  
17  
.5 WS/VI  
X6866  
.5 SW  
D100  
15 .5 WS/GE  
.5 WS/GE  
DATA LINK  
CONNECTOR  
X6863  
D100  
1
X8015  
.5 SW  
18  
X6002  
DATA LINK  
CONNECTOR  
X6002  
.5 SW  
.75 WS/GN  
.5 WS/GE  
87  
.5 WS/VI  
88  
X6000  
TXD  
80  
60  
A6000  
RXD  
TD  
ENGINE CONTROL  
MODULE (DME)  
31  
ENGINE CONTROL SYSTEM (DME M5.2, 4–CYLINDER M44)  
BMW  
Z3  
P90  
S221  
S220  
A6000  
15  
FRONT POWER  
DISTRIBUTION BOX  
EVAPORATOR  
CONTROLLER  
F16  
5A  
AIR CONDITION-  
ING/RECIRCULAT-  
ING SWITCH  
ASSEMBLY  
ENGINE CONTROL  
MODULE (DME)  
12  
X10016  
2
X18349  
3
X18350  
FUSE DETAILS  
0670.3  
11  
X6000  
X20  
.5 SW/GR  
5
1 SW/VI  
1 SW/VI  
X189  
4
X51  
K19  
.5 SW/GE  
4
A8500  
86  
TRANSMISSION  
CONTROL MODULE  
(EGS)  
COMPRESSOR  
CONTROL RELAY  
X127  
1 SW/VI  
B9508  
85  
X51  
46  
X8500  
PRESSURE  
SWITCH  
B8y  
5
5
X10054  
PRESSURE SWITCH  
1) PRESSURE  
BELOW 21 BAR  
2) PRESSURE  
ABOVE 30 BAR  
3) PRESSURE  
ABOVE 2.6 BAR  
4) PRESSURE  
BELOW 1.5 BAR  
1
2
.5 SW/BL  
.5 SW/BL  
.5 SW/VI  
3
4
6
4
X20  
.5 SW/BL  
1
X127  
X8056  
.5 VI  
4
.75 BL/WS  
.5 SW/BL  
X10054  
X18350  
.5 SW/GE  
69  
36  
31  
X6000  
5
A6000  
S221  
ENGINE CONTROL  
MODULE (DME)  
EVAPORATOR  
CONTROLLER  
31  
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