BMW 3 series E90/E91/E92/E93 facelift (2008-2013) junction box Wiring diagrams

1 2 3 4 RIGHT SUB- WOOFER 2 3 1 4 LEFT SUB- WOOFER BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER (LEFT SIDE OF REAR COMPT) FUSE 18 (UNDER RIGHT SIDE OF DASH) FUSE 19 GPS AERIAL GRN WIRE HOT AT ALL TIMES HOT W/ TERMINAL JUNCTION BOX LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SIDE LEFT SIDE WINDOW WINDOW ANTENNA ANTENNA AMPLIFIER MOST-BUS CONNECTOR NCA WIRE REAR-WINDOW AERIAL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SIDE RIGHT SIDE WINDOW WINDOW ANTENNA ANTENNA AMPLIFIER ROOF ANTENNA SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TUC/ULF-SBX ULF-SBX-H/ COM BOX W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION W/O COM BOX W/ COM BOX WAGON SEDAN, COUPE 2 3 4 WHT WIRE YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE LIGHT BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM FOOTWELL MODULE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD SW SIG LED AUTO HI BEAM HAZARD FLASHER SW SIG HEADLIGHT CTRL SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HOT AT ALL TIMES INTERIOR LIGHTS JUNCTION BOX LIN BUS SIG LIN BUS SIG MIRRORS SYSTEM POWER WINDOWS, SUPPLEMENTAL RESTRAINTS SYSTEMS ORG/GRN WIRE REAR FOG LIGHT SIG FOG LIGHT SIG HIGH BEAM SW SIG RED WIRE RED/BLU WIRE RED/GRN WIRE SW LIGHTING SIG TERM 30 FOG LIGHT SIG HI BEAM SIG BRAKE LGHT SIG LOW BEAM SIG WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRAKE/REAR FOG LIGHT BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/GRY/WHT WIRE BRN/GRY/YEL WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE EXCEPT CONVERTIBLE FOOTWELL MODULE FUSE GRN/YEL WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HOT AT ALL TIMES JUNCTION BOX LF AUX DIR IND LIGHT LR DIR IND SIG UNLOCK CEN LOCKING SIG REVERSE LGHT SIG LICENSE PLATE LIGHT PARKING LIGHT SIG POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM HEADLIGHTS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM RED WIRE RED/VIO WIRE RED/YEL WIRE RF DIR IND SIG PARKING LIGHT SIG CENTRAL LOCKING SIG TERM 30 DRIV CLOSE PWR WIND MTR DRIV OPEN PWR WIND MTR HI BEAM SIG VIO WIRE VIO/BRN WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

11 15 26 29 30 8 26 24 14 35 37 F CAN H PT CAN L F CAN L WAKE UP PT CAN H RR SIG 3.0L 3.0L TWIN TURBO 4 1 7 1 3 4 GND GND GND ACCELERATOR PEDAL MODULE (PART OF ACCELERATOR PEDAL) ACTIVE CRUISE CONTROL (CENTER OF FRONT BUMPER) ANTI-THEFT SYSTEM BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/YEL WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CLUTCH SWITCH MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRIC THROTTLE VALVE ACTUATOR (LEFT SIDE OF ENGINE) ELECTRONICS JUNCTION BOX FUSE 21 FUSE 65 (UNDER RIGHT SIDE OF DASH) FUSE 37 FUSE 75 GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ DME RELAY ENERGIZED JUNCTION BOX LONGITUDINAL DYNAMICS MANAGEMENT (LEFT SIDE OF DASH) ORG/ WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED SIGNAL SPLY ACC GND ACC SIG ACC SPLY ACC GND ACC SIG ACC SPLY TERM 30 STEERING COLUMN SWITCH CLUSTER VIO/WHT WIRE VIO/YEL WIRE W/ BOSCH W/O BOSCH WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) EDC ELECTRONIC DAMPER CONTROL (RIGHT SIDE OF REAR COMPT) FUSE GRN WIRE HOT AT ALL TIMES HOT W/ JUNCTION BOX LEFT FRONT ACCELERATION SENSOR (IN LEFT FRONT WHEELWELL) LEFT FRONT DAMPER VALVE LEFT REAR DAMPER VALVE NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT ACCELERATION SENSOR (RIGHT FRONT WHEELWELL) RIGHT FRONT DAMPER VALVE RIGHT REAR ACCELERATION SENSOR (REAR OF RIGHT REAR WHEELWELL) RIGHT REAR DAMPER VALVE TCU W/ BOSCH DSC W/O BOSCH DSC W/O NAVIGATION WHEEL SPD, SIG LF WHEEL SPD, SIG RF WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) FANFARE HORN FUSE 101 FUSE 57 GRN WIRE HORN SWITCH HOT AT ALL TIMES JUNCTION BOX JUNCTION BOX ELECTRONICS LEFT HORN (LEFT SIDE OF FRONT BUMPER) REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED WIRE RELAY RIGHT HORN (RIGHT SIDE OF FRONT BUMPER) STEERING COLUMN SWITCH CLUSTER TERMINAL 15 RELAY VIO/BLU WIRE

1 2 3 4 RIGHT SUB- WOOFER 2 3 1 4 LEFT SUB- WOOFER BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER (LEFT SIDE OF REAR COMPT) FUSE 18 (UNDER RIGHT SIDE OF DASH) FUSE 19 GPS AERIAL GRN WIRE HOT AT ALL TIMES HOT W/ TERMINAL JUNCTION BOX LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SIDE LEFT SIDE WINDOW WINDOW ANTENNA ANTENNA AMPLIFIER MOST-BUS CONNECTOR NCA WIRE REAR-WINDOW AERIAL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SIDE RIGHT SIDE WINDOW WINDOW ANTENNA ANTENNA AMPLIFIER ROOF ANTENNA SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TUC/ULF-SBX ULF-SBX-H/ COM BOX W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION W/O COM BOX W/ COM BOX WAGON SEDAN, COUPE 2 3 4 WHT WIRE YEL/BRN WIRE YEL/RED WIRE

ANGLE BLK WIRE BLU WIRE BRN WIRE FUSE 45 (UNDER RIGHT SIDE OF DASH) FWD/BWD GRN WIRE HEIGHT BACKREST JUNCTION BOX NCA WIRE PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT ANGLE ADJUSTMENT DRIVE (SEDAN, WAGON) (UNDER PASSENGER SEAT) PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT DRIVE (UNDER PASSENGER SEAT) RED WIRE RELAY ENERGIZED VIO WIRE WHT WIRE YEL WIRE

ACTIVE DRIVER'S STEERING SEAT MODULE DRIVER'S SEAT ADJUSTMENT SWITCH ALL WHEEL DRIVE BLK WIRE BLU WIRE BRN WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CONTROLLER CONVERTIBLE TOP MODULE (CTM) DIGITAL TUNER US DRIVER SEAT BELT POSITIONER CONTROLLER (COUPE) DYNAMIC STABILITY CONTROL (DSC) ELECTRIC FAN CUT OUT RELAY EXCEPT ALL WHEEL DRIVE FROM FUSE 71 (DIAGRAM 3 OF 5) FROM FUSE 88 (DIAGRAM 2 OF 5) FRONT PASSENGER SEAT BELT POSITIONER CONTROLLER (COUPE) FUSE 18 FUSE 24 FUSE 25 FUSE 26 FUSE 27 FUSE 28 FUSE 30 FUSE 45 FUSE 49 FUSE 46 FUSE 71 FUSE 85 GRN WIRE GRY WIRE JUNCTION BOX JUNCTION BOX (UNDER RIGHT SIDE OF DASH) PANAROMA ROOF GLASS RED WIRE RIGHT FRONT PASSENGER'S SEAT SEAT MODULE ADJUSTMENT SWITCH SATELLITE RECEIVER SIDE-IN COMPARTMENT STOP BUTTON TERMINAL TIRE PRESSURE CONTROL (RDC) TO DC/DC CONVERTER (DIAGRAM 5 OF 5) TO DC/DC CONVERTER TRAILER (DIAGRAM SOCKET 5 OF 5) TO FUSE 24 (DIAGRAM 3 OF 5) TO FUSE 65 (DIAGRAM 4 OF 5) TO JUNCTION BOX (DIAGRAM 4 OF 5) TO TERMINAL 15 RELAY (DIAGRAM 4 OF 5) TOWING ROOF FUNCTION HITCH RELEASE CONTROL CENTER TRANSFER BOX CONTROL MODULE VIO WIRE W/ W/O MEMORY MEMORY W/O BOSCH W/ BOSCH SEDAN, COUPE, WAGON W/O SUNROOF WAGON W/ SUNROOF WHT WIRE YEL WIRE

3 2 (COUPE, SEDAN) (WAGON, CONVERTIBLE) ACTIVE CRUISE CONTROL BISTABLE RELAY BLK WIRE BLK/RED WIRE BLU WIRE BOOT LID/ TAIL GATE LUGGAGE COMPARTMENT LIGHT (WAGON) BRN WIRE COMFORT ACCESS CONTROL MODULE DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S LUMBAR SUPPORT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DUAL REMOTE CONTROL RECEIVER ELECTRONICS JUNCTION BOX FROM CAR ACCESS SYSTEM (DIAGRAM 3 OF 5) FROM FUSE 6 JUNCTION BOX (DIAGRAM 4 OF 5) FROM FUSE 76 (DIAGRAM 4 OF 5) FROM JUNCTION BOX (DIAGRAM 3 OF 5) FROM TERMINAL 15 RELAY (DIAGRAM 4 OF 5) FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 31 FUSE 32 FUSE 61 FUSE 74 FUSE 77 GRN WIRE HEATING/AIR CONDITIONING SYSTEM GLOVE COMPARTMENT LIGHT INDEPENDENT/ AUXILIARY HEATING CONTROL MODULE INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX JUNCTION BOX (UNDER RIGHT LEFT LUGGAGE COMPARTMENT LIGHT (WAGON, CONVERTIBLE) OBD II SOCKET PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S LUMBAR SUPPORT VALVE BLOCK PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RIGHT LUGGAGE COMPARTMENT LIGHT SIDE OF DASH) TRAILER MODULE TRANSMISSION CONTROL VIO WIRE WHT WIRE YEL WIRE