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

2 7 TIRE FAILURE INDICATOR 30 RF WHL SPD RF WHL SPD ABS/DSC UNIT (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/BRN WIRE BLK/RED/WHT WIRE BLK/VIO WIRE BLK/VIO/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BLK/YEL WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SWITCH BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/GRN/YEL WIRE BRN/RED WIRE CENTER CONSOLE SWITCH CENTER DIGITAL MOTOR ELECTRONICS CONTROL UNIT DSC SENS DSC SENSOR RIGHT FRONT SPEED SENSOR (WHEEL HUB) DSC SWITCH ELECTRONIC POWER STEERING FUSE GRN WIRE GRN/BLU/YEL WIRE GRY/BLK/YEL WIRE HANDS FREE CAN LOW GROUND HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, ACCY OR START INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT SPEED SENSOR (WHEEL HUB) LEFT REAR SPEED SENSOR (WHEEL HUB) LR WHL SPD LR WHL SPD MIRROR FOLD-IN CONTROL UNIT NAVIGATION SYSTEM NCA WIRE PARK BRAKE PARK BRAKE SWITCH POWER DISTRIBUTION (RIGHT SIDE OF DASH) PRESSURE SENSOR 1 PRESSURE SENSOR 2 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR SPEED SENSOR (WHEEL HUB) RR WHL OUT BRAKE FLUID LR SPD OUT CAN HIGH HANDS FREE STEERING ANGLE SENSOR (IN COLUMN) TELEPHONE TRANSCEIVER (W/O NAVI) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BLU/YEL WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

32 15 31 5 42 43 TP SIG RETURN TP SIG VOLTAGE SUPPLY THROTTLE ACT THROTTLE ACT 8 4 5 6 VOLTAGE SUPPLY GROUND GROUND GROUND ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/WHT WIRE CAN (+) CAN (-) CAN (+) CLUTCH SWITCH (IF EQUIPPED) (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL STEERING COLUMN SWITCH DIAG TXD DIAG TXD CAN (+) CAN (-) 36 37 DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) ELECTRIC THROTTLE ACTUATOR FUSE 14 FUSE 2 FUSE 28 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START INSTRUMENT CLUSTER CONTROL MODULE PEDAL POSITION SENSOR POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/WHT/YEL WIRE TRANSMISSION CONTROL UNIT (W/O SMG) (LEFT REAR OF ENGINE COMPT) VIO WIRE VIO/YEL WIRE W/ SMG W/O SMG WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM FUSE GRN/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START LEFT FRONT TURN SIGNAL REPEATER LEFT HEAD- LIGHT LIGHT SWITCH CLUSTER LIGHT SWITCH CONTROLS LT BRK LGHT SIG TERM 30 LT LO BEAM SIG RT HI BEAM SIG POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED/GRN WIRE RED/VIO WIRE RIGHT FRONT TURN SIGNAL REPEATER RIGHT HEAD- LIGHT TURN SIGNAL LAMP VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUSE GRN/BLU WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAZ WARN SW BRAKE LIGHT HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM LEFT HIGH BEAM HEIGHT CONTROL STEPPER MOTOR LIGHT SWITCH CLUSTER LOAD SENSOR LT BRK LGHT SIG TERM 30 LT LO BEAM SIG RT HI BEAM SIG POWER DISTRIBUTION (RIGHT SIDE OF DASH) RAIN/HEADLIGHT SENSOR RED/GRN WIRE RED/VIO WIRE RIDE HEIGHT SENSOR RIGHT HIGH BEAM HEIGHT CONTROL STEPPER MOTOR VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY 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