BMW 3 series E90/E91/E92/E93 facelift (2008-2013) junction box (under right side of dash) Wiring diagrams

BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER BACKREST LOCK SWITCH DRIVER'S SEAT ANGLE ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT HEIGHT ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT MODULE (UNDER DRIVER'S SEAT) FUSE GRN WIRE GRY/BLK WIRE GRY/WHT WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) ORG/GRN WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RELAY ENERGIZED VIO WIRE VIO/BLK WIRE WHT/BLK WIRE WHT/GRN WIRE YEL 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

BLK WIRE BLK/VIO WIRE BRN WIRE BRN/BLK WIRE CCC/M-ASK COMPUTER CIC COUPE CONVERTIBLE DRIVER'S DOOR COURTESY LIGHT DRIVER'S SWITCH CLUSTER ELECTRONIC JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FRONT CIGAR LIGHTER FRONT INTERIOR/ READING LAMP FUSE 41 FUSE 81 FUSE 84 FUSE 86 GEAR INDICATOR LIGHTING GRN WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HARDTOP OPERATING UNIT (CONVERTIBLE) HAZARD WARNING SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LIGHT SWITCH UNIT NCA WIRE PASSENGER'S DOOR COURTESY LIGHT PASSENGER'S DOOR POWER WINDOW SWITCH RADIO REAR DRIVER'S SIDE DOOR COURTESY LIGHT (COUPE, CONVER- TIBLE) REAR DRIVER'S SIDE POWER WINDOW SWITCH REAR LID RELEASE SWITCH (INTERIOR) REAR PASSENGER'S SIDE DOOR COURTESY LIGHT (COUPE, CONVERTIBLE) REAR PASSENGER'S SIDE POWER WINDOW SWITCH (SEDAN, WAGON) RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE STEERING COLUMN SWITCH CLUSTER VIO WIRE W/ CCC/ M-ASK W/ CIC TELEPHONE RETROFIT PACKAGES CONNECTOR WAGON SEDAN YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAR INFORMATION COMPUTER CIC CD CHANGER (LEFT SIDE OF REAR COMPT) CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM DIGITAL TUNER AERIAL DIGITAL TUNER AERIAL 2 FUSE GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT IN-BUMPER AERIAL LEFT MICROPHONE MOST-BUS CONNECTOR NCA WIRE ODBI SOCKET ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT IN-BUMPER AERIAL ROOF ANTENNA TCU/ULF/ ULF-SBX ULF-SBX-H/ COM BOX USB PORT VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/O COM BOX W/ COM BOX WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AERIAL DIVERSITY (CENTER REAR OF ROOF) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CONVERTIBLE TOP MODULE FM AERIAL 1 FM AERIAL 3 FM FM AERIAL 2 AERIAL 4 FUSE 18 FUSE 19 GRN WIRE HOT AT ALL TIMES HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SIDE SECTION ANTENNA AMPLIFIER LEFT SUB- WOOFER NCA WIRE REAR WINDOW ANTENNA AMPLIFIER 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 SECTION ANTENNA AMPLIFIER RIGHT SUB- WOOFER SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS AERIAL 1 W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE YEL/BRN WIRE YEL/RED WIRE

1 2 (PIN 3-4 NOT USED) 5 6 7 8 (PIN 9-10 NOT USED) 11 12 1 2 3 4 5 6 (PIN 7-10 NOT USED) 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 (PIN 16-38 NOT USED) ANTI-LOCK BRAKES SYSTEM AUX-IN CONNECTOR BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/ORG WIRE CCC/M-ASK CD CHANGER (LEFT SIDE OF REAR COMPT) CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM FAN M-ASK/CCC 1 3 2 FUSE FUSE 18 FUSE 19 GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT IN-BUMPER TV AERIAL LEFT MICROPHONE MOST-BUS CONNECTOR NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT IN-BUMPER TV AERIAL ROOF ANTENNA SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS AERIAL TCU/ULF/ ULF-SBX/ ULF-SBX-H VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/ AUTOMATIC ENGINE START/STOP FUNCTION W/O AUTOMATIC ENGINE START/STOP FUNCTION WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

AERIAL DIVERSITY (CENTER REAR OF ROOF) AMPLIFIER (LEFT SIDE OF REAR COMPT) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CONVERTIBLE TOP MODULE FM AERIAL 1 FM AERIAL 2 FM AERIAL 3 FM AERIAL 4 FUSE 15 GRY WIRE HOT AT ALL TIMES HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HI-RANGE SPEAKER LEFT SIDE SECTION ANTENNA AMPLIFIER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER NCA WIRE REAR WINDOW ANTENNA AMPLIFIER REAR-WINDOW AERIAL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HIGH RANGE SPEAKER RIGHT SIDE SECTION ANTENNA AMPLIFIER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

18 19 20 21 22 (PIN 23-26 NOT USED) 3 4 W/O COM BOX W/ COM BOX AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE CAR INFORMATION COMPUTER CIC CD CHANGER (LEFT SIDE OF REAR COMPT) CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM DIGITAL TUNER AERIAL DIGITAL TUNER AERIAL 2 DUAL REMOTE CONTROL RECEIVER FUSE FUSE 18 FUSE 19 GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT IN-BUMPER TV AERIAL LEFT MICROPHONE MOST-BUS CONNECTOR NCA WIRE ODBI SOCKET ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT IN-BUMPER TV AERIAL ROOF AERIAL TCU/ULF-SBX ULF-SBX-H/ COM BOX USB PORT VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

AERIAL DIVERSITY (CENTER REAR OF ROOF) AMPLIFIER (LEFT SIDE OF REAR COMPT) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE CONVERTIBLE TOP MODULE FM AERIAL FM AERIAL 1 FM AERIAL 2 FM AERIAL 4 FUSE 15 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HI-RANGE SPEAKER LEFT SIDE SECTION ANTENNA AMPLIFIER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER NCA WIRE REAR WINDOW ANTENNA AMPLIFIER REAR-WINDOW AERIAL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HI-RANGE SPEAKER RIGHT SIDE SECTION ANTENNA AMPLIFIER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS AERIAL W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

ANGLE ADJUSTMENT DRIVE (UNDER PASSENGER'S SEAT) BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COUPE ELECTRONICS JUNCTION BOX FUSE 45 GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/WHT WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S BACKREST REST SWITCH (CONVERTIBLE) PASSENGER'S HEAD RESTRAINT ADJUSTMENT DRIVE (CONVERTIBLE) PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) PASSENGER'S SEAT) PASSENGER'S SIDE EASY ENTRY SWITCH 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 VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE