BMW Z4 E85/E86 (2002-2005) power distribution (right side of dash) 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

A/C COMP CTRL K-BUS SIG AUC SENSOR BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLU WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLANT PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) DEFOGGER SYSTEM FLAP MTR SIG FLAP MTR GND FLAP MTR SIG FLAP MTR GND FRESH AIR/ RECIRCULATING FLAP MOTOR (RIGHT SIDE OF DASH) FUSE GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN, START POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR CONTROL VALVE (RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

28 35 COOL TEMP SIG COOL TEMP 29 4 38 39 A/C COMP FAN COOL OUT TEMP COOL OUT TEMP BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLOWER OUTPUT STAGE (RIGHT SIDE OF DASH) BLU WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE DEFROSTER FLAP MOTOR (RIGHT SIDE OF DASH) DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) ELECTRIC FAN ENGINE COOLANT TEMPERATURE SENSOR EVAPORATIVE TEMPERATURE SENSOR (LEFT SIDE OF DASH) FOOTWELL FLAP MOTOR (RIGHT SIDE OF DASH) FUSE GRN WIRE HOT AT ALL TIMES MIX AIR TEMPERATURE SENSOR MIXER FLAP MOTOR (RIGHT SIDE OF DASH) NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/GRN WIRE REMOTE TEMPERATURE SENSOR VENTILATION FLAP MOTOR (RIGHT SIDE OF DASH) YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/VIO WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY/YEL WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE DATA LINE ZV REMOTE ZV UNIT CENTRAL ARREST ZV UNIT UNLCK DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM FUSE GENERAL MODULE CONTROL MODULE (RIGHT SIDE OF DASH) GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN ACCY, RUN AND START PASS WNDW REG CLOSED DRVR PWR WNDW SW CLOSED TRUNK LID SW SIG POWER DISTRIBUTION (RIGHT SIDE OF DASH) POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM WIPER/WASHER SYSTEM RED WIRE RED/BLU WIRE RED/GRN/YEL WIRE RED/VIO WIRE SOUND SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS SYSTEM VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED/YEL WIRE WIPER REST POS INTERVAL TIME POT TERM 30 WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM YEL WIRE YEL/RED WIRE ZV UNIT CENTRAL ARREST ZV UNIT UNLCK ZV UNIT UNLCK ZV UNIT UNLCK ZV UNIT LCK

ANTI-THEFT STATUS TILT ALARM SENS FRNT LID SW DWA SIREN ALARM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE CUT-OFF SIGNAL DWA LED INT PROTECTION R HTD WASHER NOZZLE DOOR LOCKS SYSTEM WIPER/WASHER SYSTEM FR PASS PWR WND MTR DRVR PWR WNDW MTR CENTRAL LCK GROUND FR PASS PWR WNDW MTR DRVR PWR WNDW MTR FRNT WNDW REG PWR CENTRAL LCK PWR FUSE GENERAL MODULE CONTROL MODULE (RIGHT SIDE OF DASH) GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES POWER DISTRIBUTION (RIGHT SIDE OF DASH) POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRN/YEL WIRE RED/GRY WIRE RED/YEL WIRE TRANSMISSIONS SYSTEM MIRRORS SYSTEM ANTI-THEFT SYSTEM WIPER/WASHER SYSTEM UNLCK TRUNK LID L HTD WASHER NOZZLE VIO/GRN WIRE WASHER PUMP CUT-OFF SIG WHT/BLU WIRE WIPER/WASHER SYSTEM INTERIOR LIGHTS SYSTEM

1 2 3 4 5 6 7 8 9 10 11 12 13 STARTER SIG TERM 50 SIG LOCK BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM COND WHEEL SPD EWS TOROIDAL COIL SIG A/T SWITCH SIG DIGITAL MOTOR ELECTRONIC CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DRV AWY PROT ELECTRONIC IMMOBILIZER CONTROL UNIT EWS TOROIDAL COIL FUSE GND TERM 30 TERM R EWS TOROIDAL COIL SIG K-BUS SIG GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE LOCK POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/VIO WIRE RUN WIRE STARTER STARTING/ CHARGING SYSTEM TRANS SW SIG TRANSMISSION CONTROL UNIT VIO WIRE VIO/YEL WIRE WHT/RED/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 STARTER SIG TERM 50 SIG LOCK BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN/BLK WIRE CLUTCH SWITCH COMPUTER DATA LINES SYSTEM COND WHEEL SPD EWS TOROIDAL COIL SIG DIGITAL MOTOR ELECTRONIC CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DRV AWY PROT ELECTRONIC IMMOBILIZER CONTROL UNIT EWS TOROIDAL COIL FUSE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE LOCK POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/VIO WIRE RUN WIRE START LOCK SW M/T SIG GND TERM 30 TERM R EWS TOROIDAL COIL SIG K-BUS SIG STARTER STARTING/ CHARGING SYSTEM VIO WIRE VIO/YEL WIRE WHT/RED/YEL WIRE YEL WIRE

12 3 START SIG IMMOBILIZER BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONIC CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DRV AWY PROT ELECTRONIC IMMOBILIZER CONTROL UNIT EWS TOROIDAL COIL FUSE GND TERM 30 TERM R EWS TOROIDAL COIL SIG K-BUS SIG GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE LOCK POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/VIO WIRE RUN WIRE SEQUENTIAL MANUAL GEARBOX (SMG) CONTROL MODULE (LEFT REAR OF ENGINE COMPT) STARTER STARTING/ CHARGING SYSTEM VIO WIRE VIO/YEL WIRE WHT/RED/YEL WIRE YEL WIRE

10 8 TRUNK LID UNLOCK MTR SIG DWA SIREN ALARM CONTROL SIG 23 7 DWA LED SIG HOOD CONTACT SWITCH BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY/YEL WIRE ELECTROCHROMATIC INTERIOR REARVIEW MIRROR FUSE GENERAL MODULE CONTROL UNIT (RIGHT SIDE OF DASH) GRN WIRE GRY/BLK/YEL WIRE GRY/BRN WIRE HORN FOR ANTI-THEFT ALARM SYSTEM HOT AT ALL TIMES INTERIOR MOVEMENT DETECTOR NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/GRN WIRE REMOTE CONTROL SIG TILT SENSOR VIO/GRN WIRE WHT/BLK WIRE YEL/RED WIRE

29 4 38 39 A/C COMP FAN COOL OUT TEMP COOL OUT TEMP A/C COMP CTRL K-BUS SIG AIR DISTRIBUTION FLAP MOTOR ELECTRIC FAN AIR DISTRIBUTION MICROSWITCH BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER OUTPUT STAGE (RIGHT SIDE OF DASH) BLU WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOL TEMP COOL TEMP SIG COOLANT PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) DEFOGGER SYSTEM DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR EVAPORATIVE TEMPERATURE SENSOR (LEFT SIDE OF DASH) FLAP MTR SIG FLAP MTR GND FLAP MTR SIG FLAP MTR GND FRESH AIR/ RECIRCULATING FLAP MOTOR (RIGHT SIDE OF DASH) FUSE GRN WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEATING, A/C SYSTEM HOT AT ALL TIMES HOT IN RUN, START MIXER FLAP MOTOR (RIGHT SIDE OF DASH) NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR CONTROL VALVE (RIGHT SIDE OF ENGINE COMPT) REMOTE TEMPERATURE SENSOR WHT WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE