BMW Z4 E85/E86 (2002-2005) red/wht Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 D MOTOR D MOTOR TERM 30 ANTI-LOCK BRAKES SYSTEM BLU WIRE BRN WIRE DRIVER'S DOOR MODULE DRIVER'S SIDE OUTSIDE MIRROR FOLD-IN MOTOR FUSE GRN WIRE HOT AT ALL TIMES MIRROR FOLD-IN SWITCH NCA WIRE OUTSIDE MIRROR FOLD-IN P MOTOR P MOTOR PASSENGER'S SIDE OUTSIDE MIRROR POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRN/YEL WIRE RED/WHT WIRE SPEED SIG SWITCH TERM 31 VIO WIRE WHT WIRE WHT/GRN WIRE

B+ POTENTIAL DISTRIBUTOR BRN WIRE CAMSHAFT POSITION SENSOR 1 CAMSHAFT POSITION SENSOR 2 CHARACTERISTIC MAP COOLING THERMOSTAT CRANKSHAFT POSITION SENSOR DIGITAL MOTOR ELECTRONICS CONTROL UNIT DME RELAY E BOX (LEFT REAR OF ENGINE COMPT) FUSE FROM FUSE FUEL INJECTORS RELAY FUEL PUMP RELAY FUEL TANK E-BOX LEAKAGE FAN DIAGNOSTIC MODULE FUSE HOT FILM MASS AIR FLOW SENSOR IGNITION COILS NCA WIRE OXYGEN OXYGEN SENSOR SENSOR OXYGEN SENSOR POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/WHT WIRE SECONDARY AIR PUMP RELAY TO IDLE SPEED CONTROL VALVE (DIAGRAM 3 OF 6) TRANSMISSION CONTROL MODULE WHT WIRE YEL WIRE

1 2 3 4 5 6 VOLTAGE SUPPLY SENSOR SIG SENSOR SIG SENSOR SIG SENSOR SIG BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONVERTIBLE SOFT TOP SWITCH CLOSED CONVERTIBLE TOP COMPARTMENT FLOOR SWITCH CONVERTIBLE TOP DRIVE CONVERTIBLE TOP LOWERED SWITCH CONVERTIBLE TOP MODULE (LEFT REAR PASSENGER COMPT) CONVERTIBLE TOP RELAY 1 (RIGHT SIDE OF DASH) CONVERTIBLE TOP RELAY 2 (RIGHT SIDE OF DASH) FUSE GRY WIRE HARDTOP LOCATING POINT 1 HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE K- BUS LOCKING COWL PANEL DRIVE NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE SCUTTLE LOCKED SWITCH SCUTTLE RELEASED SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE

BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE HIFI AMPLIFIER (ON RIGHT SIDE OF LUGGAGE COMPT) LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER SPEAKER LEFT FRONT WOOFER SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SUBWOOFER LR AF+ LF AF+ LF MR- LF MR+ RF MR- RF MR+ LR AF- LF AF- LR MR+ LR MR- LFT+ LFT- RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT FRONT WOOFER SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SUBWOOFER RR AF+ RF AF+ ANT RFT+ RFT- RR MR+ RR AF- RF AF- K-BUS RR MR- RFW- RFW+ R SUB- R SUB+ 31 WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 FUEL INJ RELAY BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHARACTERISTIC MAP COOLING THERMOSTAT (2003) (ON CYLINDER HEAD) CHARGING SYSTEM CRANKSHAFT POSITION SENSOR (LEFT SIDE OF ENGINE) CYL 1 CYL 2 CYL 3 CYL 4 CYL 5 CYL 6 DIAG TXD GROUND GROUND GROUND TERM 30 VOLTAGE SUPPLY DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) EVAP VALVE CLOSE SIG OPEN SIG FUEL INJ 3 IAT SIG FUEL INJECTION VALVES FUEL INJECTORS RELAY GEN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HOT AT ALL TIMES E-BOX (LEFT REAR OF ENGINE COMPT) FUSE HOT FILM MASS AIR FLOW SENSOR (LEFT SIDE OF ENGINE COMPT) ICIS VALVE KNOCK SENSOR (REAR OF ENGINE) NCA WIRE OIL PRESSURE SWITCH OIL TEMPERATURE SENSOR (FRONT OF ENGINE, UNDER INTAKE) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RETURN OIL LEVEL THROTTLE ACT THROTTLE ACT OIL TEMP OIL TEMP KNOCK SENS KNOCK SENS WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

32 37 36 TXD DIAG CAN L CAN H BLK WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CAN-L CAN-H CHARACTERISTIC MAP COOLING THERMOSTAT (2004) (ON CYLINDER HEAD) DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DME RELAY E BOX (LEFT REAR OF ENGINE COMPT) FUSE FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY FUEL TANK IDLE SPEED VENT CONTROL VALVE VALVE (LEFT SIDE OF ENGINE) FUSE FUSE FUSE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN RUN OR START INDIVIDUAL CONTROL INTAKE SYSTEM VALVE (LEFT SIDE OF ENGINE COMPARTMENT) NCA WIRE ORG/ WIRE OXYGEN SENSOR 1 (BEHIND CATALYTIC CONVERTER) OXYGEN SENSOR 1 (IN FRONT OF CATALYTIC CONVERTER) OXYGEN SENSOR 2 (IN FRONT OF CATALYTIC CONVERTER) POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/WHT WIRE RED/WHT/YEL WIRE SECO- NDARY AIR PUMP SECON- DARY AIR PUMP RELAY VANOS INLET VALVE (LEFT SIDE OF ENGINE, UNDER INTAKE) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 IGN COIL 5 SIG ABS SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE CAN H CAN L COOL OUT TEMP COOL OUT TEMP COMPUTER DATA LINES SYSTEM CRUISE CONTROL DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX FAN E-BOX FAN TANK LEAKAGE ELECTRIC FAN ELECTRONIC VEHICLE IMMOBILIZER FUSE GRN/VIO WIRE GRY/RED WIRE GRY/VIO WIRE HOT IN ACCY, RUN, OR START HOT IN RUN OR START POWER DISTRIBUTION (RIGHT SIDE OF DASH) IGNITION COILS (TOP SIDE OF ENGINE) INSTRUMENT CLUSTER CONTROL MODULE HEATING/ AIR CONDITIONING SYSTEM MODULE OBD SOCKET (LEFT FOOTWELL) RED/WHT WIRE REMOTE TEMPERATURE SENSOR RETURN PED POS 1 SIG RETURN PED POS 2 SIG RPM SIG RR SPEED SIG CLUTCH SIG BRAKE SIG SPORT SWITCH TERMINAL 15 STR WHL CTRLS BRAKE SIG A/C TANK LEAKAGE TOP OF ENGINE) TXD DIAG SIG DRV AWY PROT VIO/YEL WIRE VOLTAGE SUPPLY VOLTAGE SUPPLY FUEL PUMP RLY WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 FUEL INJ RELAY BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CHARACTERISTIC MAP COOLING THERMOSTAT (2003) (ON CYLINDER HEAD) CHARGING SYSTEM CRANKSHAFT POSITION SENSOR (LEFT SIDE OF ENGINE) CYL 1 CYL 2 CYL 3 CYL 4 CYL 5 CYL 6 DIAG TXD GROUND GROUND GROUND TERM 30 VOLTAGE SUPPLY DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) EVAP VALVE CLOSE SIG OPEN SIG FUEL INJ 3 IAT SIG FUEL INJECTION VALVES FUEL INJECTORS RELAY GEN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HOT AT ALL TIMES E-BOX (LEFT REAR OF ENGINE COMPT) FUSE HOT FILM MASS AIR FLOW SENSOR (LEFT SIDE OF ENGINE COMPT) ICIS VALVE KNOCK SENSOR (REAR OF ENGINE) NCA WIRE OIL PRESSURE SWITCH OIL TEMPERATURE SENSOR (FRONT OF ENGINE, UNDER INTAKE) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RETURN OIL LEVEL THROTTLE ACT THROTTLE ACT OIL TEMP OIL TEMP KNOCK SENS KNOCK SENS WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

32 37 36 TXD DIAG CAN L CAN H BLK WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLU WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE CAN-L CAN-H CHARACTERISTIC MAP COOLING THERMOSTAT (2004) (ON CYLINDER HEAD) DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DME RELAY E BOX (LEFT REAR OF ENGINE COMPT) FUSE FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY FUEL TANK IDLE SPEED VENT CONTROL VALVE VALVE (LEFT SIDE OF ENGINE) FUSE FUSE FUSE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN RUN OR START INDIVIDUAL CONTROL INTAKE SYSTEM VALVE (LEFT SIDE OF ENGINE COMPARTMENT) NCA WIRE ORG/ WIRE OXYGEN SENSOR 1 (BEHIND CATALYTIC CONVERTER) OXYGEN SENSOR 1 (IN FRONT OF CATALYTIC CONVERTER) OXYGEN SENSOR 2 (IN FRONT OF CATALYTIC CONVERTER) POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/WHT WIRE RED/WHT/YEL WIRE SECO- NDARY AIR PUMP SECON- DARY AIR PUMP RELAY VANOS INLET VALVE (LEFT SIDE OF ENGINE, UNDER INTAKE) WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 IGN COIL 5 SIG ABS SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE CAN H CAN L COOL OUT TEMP COOL OUT TEMP COMPUTER DATA LINES SYSTEM CRUISE CONTROL DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX FAN E-BOX FAN TANK LEAKAGE ELECTRIC FAN ELECTRONIC VEHICLE IMMOBILIZER FUSE GRN/VIO WIRE GRY/RED WIRE GRY/VIO WIRE HOT IN ACCY, RUN, OR START HOT IN RUN OR START POWER DISTRIBUTION (RIGHT SIDE OF DASH) IGNITION COILS (TOP SIDE OF ENGINE) INSTRUMENT CLUSTER CONTROL MODULE HEATING/ AIR CONDITIONING SYSTEM MODULE OBD SOCKET (LEFT FOOTWELL) RED/WHT WIRE REMOTE TEMPERATURE SENSOR RETURN PED POS 1 SIG RETURN PED POS 2 SIG RPM SIG RR SPEED SIG CLUTCH SIG BRAKE SIG SPORT SWITCH TERMINAL 15 STR WHL CTRLS BRAKE SIG A/C TANK LEAKAGE TOP OF ENGINE) TXD DIAG SIG DRV AWY PROT VIO/YEL WIRE VOLTAGE SUPPLY VOLTAGE SUPPLY FUEL PUMP RLY WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE