BMW 3 series E90/E91/E92/E93 facelift (2008-2013) computer data lines system Wiring diagrams

ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 22 FUSE 65 FUSE 63 GEAR INDICATOR LIGHT GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES JUNCTION BOX LEFT MULTI- FUNCTION STEERING WHEEL SWITCH BLOCK LEFT ROCKER SWITCH NCA WIRE OF DASH) RED WIRE RED/BLK WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT MULTI-FUNCTION STEERING WHEEL SWITCH BLOCK RIGHT ROCKER SWITCH SELECTOR LEVER POSITION SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) SHIFT LOCK SELECTOR LEVER LOCK STEERING COLUMN SWITCH CLUSTER STEPTRONIC SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) TRANSMISSION CONTROL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CLASSIFICATION RESISTOR (UNDER VEHICLE) COMPUTER DATA LINES SYSTEM DISTRIBUTION SYSTEM POWER FUSE 101 HOLDER (RIGHT SIDE OF REAR COMPT) FUSE 26 FUSE 40 GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE REAR FUSE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RELAY TERMINAL TRANSFER BOX CONTROL MODULE (UNDER CARPET, ON RIGHT SIDE FOOTWELL) VIO WIRE VTG ACTUATOR (UNDER VEHICLE) YEL WIRE

ALTERNATOR BATTERY BATTERY SENSOR (RIGHT SIDE OF REAR COMPT) BRN WIRE COMPUTER DATA LINES SYSTEM EXCEPT DIESEL DIESEL GRN WIRE GRY WIRE JUMP START TERMINAL POINT (RIGHT SIDE OF ENGINE COMPT) LUGGAGE WELL B+ TERMINAL POINT NCA WIRE REAR FUSE HOLDER FUSE 105 N/A (RIGHT SIDE OF REAR COMPT) RED WIRE STARTER TRANSFER TERMINAL POINT VIO WIRE

BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT ANGLE ADJUSTMENT DRIVE (UNDER DRIVER'S SEAT) DRIVER'S SEAT HEIGHT ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER'S SIDE BACKREST ANGLE ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) ELECTRONICS JUNCTION BOX FUSE 46 GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE 77 SEATS SYSTEM VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

AMPLIFIER (W/ TOP HIFI) (LEFT SIDE OF REAR COMPT) CD CHANGER (LEFT SIDE OF REAR COMPT) COMPUTER DATA LINES SYSTEM GRN WIRE MOST-BUS CONNECTOR ORG/GRN WIRE SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TCU/COM BOX VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/ COM BOX W/O COM BOX

1 14 16 4 19 20 11 3 CAN L CAN H BRAKE LIGHT BRAKE LIGHT ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/GRY WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 1 14 38 16 FUSE GRY WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) RED WIRE RELAY ENERGIZED SHIFT LOCK SELECTOR LEVER LOCK TRANSMISSION CONTROL TRANSMISSIONS SYSTEM VIO WIRE YEL WIRE

AIR BAG SIG - AIR BAG SIG + BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT POSITIONER CONTROLLER (LEFT REAR SIDE OF INTERIOR PANEL) DRIVER'S AIR BAG INFLATOR ASSEMBLIES DRIVER'S SWITCH CLUSTER FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 30 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START JUNCTION FUSE 7 BOX (UNDER RIGHT SIDE OF DASH) LEFT "B" PILLAR AIR BAG SENSOR (LEFT REAR SIDE OF INTERIOR PANEL) LEFT FRONT AIR BAG SENSOR (LEFT SIDE OF ENGINE COMPT) LEFT SEAT BELT POSITIONER MOTOR (LEFT REAR SIDE INTERIOR PANEL) MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER AIR BAG DEACTIVATION SWITCH (RIGHT END OF DASH, NEAR RIGHT FRONT DOOR) RED WIRE RIGHT FRONT DOOR AIR BAG SENSOR (REAR OF RIGHT FRONT DOOR) RIGHT SEAT BELT POSITIONER MOTOR (RIGHT REAR SIDE INTERIOR PANEL) SIG CAN-BUS SIG CAN-BUS STEERING COLUMN SWITCH CLUSTER WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

AIR BAG SIG - AIR BAG SIG + BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S AIR BAG INFLATOR ASSEMBLIES FUSE 7 BOX (UNDER RIGHT SIDE OF DASH) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT IN ON OR START JUNCTION LEFT "B" PILLAR AIR BAG SENSOR (LEFT MIDDLE INTERIOR PANEL) LEFT FRONT AIR BAG SENSOR (LEFT SIDE OF ENGINE COMPT) LEFT FRONT DOOR AIR BAG SENSOR (FRONT OF LEFT FRONT DOOR) MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER AIR BAG DEACTIVATION SWITCH (RIGHT END OF DASH, NEAR RIGHT FRONT DOOR) RIGHT FRONT AIR BAG SENSOR (RIGHT SIDE OF ENGINE COMPT) RIGHT FRONT DOOR AIR BAG SENSOR (REAR OF RIGHT FRONT DOOR) RIGHT REAR SEAT BELT PRETENSIONER SIG CAN-BUS SIG CAN-BUS STEERING COLUMN SWITCH CLUSTER VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE 27 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE JUNCTION BOX LEFT FRONT ELECTRONIC WHEEL MODULE LEFT FRONT RDC TRANSMITTER LEFT REAR ELECTRONIC WHEEL MODULE LEFT REAR RDC TRANSMITTER ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RDC ANTENNA RED WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT ELECTRONIC WHEEL MODULE RIGHT FRONT RDC TRANSMITTER RIGHT REAR ELECTRONIC WHEEL MODULE RIGHT REAR RDC TRANSMITTER TIRE PRESSURE CONTROL (RDC) VIO WIRE

ACC MODULE ACTIV TANK AIR CONDITIONING SYSTEM AUX HEATER BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRK SW SIG BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE BSD SIG BUS SIG CAN HIGH CAN LOW CLUTCH COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRANK HTNG DIGITAL DIESEL ELECTRONICS CONTROL MODULE (RIGHT REAR DRIVE UNIT E-BOX FAN ELECTRONICS FUSE JUNCTION BOX ENGINE COMPT) FAN FUEL HEATER FUEL HTR FUEL TANK FUSE GRN/BLU WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HEATER HOT AT ALL TIMES HOT IN ON OR START JUNCTION BOX (UNDER RIGHT SIDE OF DASH) OBDI 1 SOCKET PUMP RED WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REFILL PUMP SCR RLY START SIG STARTING/ CHARGING SYSTEM TD SIG TERM 15 TEST SIG VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE