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

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

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

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

0 1 2 3 4 (PIN 5-10 NOT USED) 12 13 3 11 ODBI SOCKET 3 4 WAGON SEDAN, COUPE AERIAL DIVERSITY (CENTER REAR OF ROOF) 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 CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM 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 MICROPHONE NCA WIRE ORG/ WIRE ORG/GRN WIRE REAR SPOILER AM/FM AERIAL (WAGON) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE USB PORT 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/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) AERIAL DIVERSITY (CENTER REAR OF ROOF) ANTI-LOCK BRAKES SYSTEM AUX-IN CONNECTOR FAN M-ASK/CCC 1 3 2 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 FUSE FUSE 18 GPS GPS ANTENNA 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 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 ROOF ANTENNA SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TCU/ULF/ 1 2 ULF-SBX-H/ ULF-SBX VIDEO MODULE (LEFT SIDE OF REAR COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

0 1 2 3 4 (PIN 5-10 NOT USED) 12 13 3 11 ODBI SOCKET AERIAL DIVERSITY (CENTER REAR OF ROOF) 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 COUPE, SEDAN FUSE FUSE 18 FUSE 19 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 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 SIDE WINDOW ANTENNA RIGHT SIDE WINDOW ANTENNA AMPLIFIER TCU/ULF-SBX-H/ ULF-SBX/ COMBOX USB PORT W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION W/ COMBOX W/O COMBOX WAGON WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MIDDLE ULTRASONIC SENSOR (BEHIND LEFT SIDE OF FRONT BUMPER) LEFT FRONT ULTRASONIC SENSOR (BEHIND LEFT END OF FRONT BUMPER) LEFT REAR MIDDLE ULTRASONIC SENSOR (BEHIND LEFT SIDE OF REAR BUMPER) LEFT REAR ULTRASONIC SENSOR (BEHIND LEFT END OF REAR BUMPER) ORG/GRN WIRE PARK DISTANCE CONTROL (PDC) (RIGHT SIDE OF REAR COMPT) POWER DISTRIBUTION SYSTEM RIGHT REAR MIDDLE ULTRASONIC SENSOR (BEHIND RIGHT SIDE OF REAR BUMPER) RIGHT REAR ULTRASONIC SENSOR (BEHIND RIGHT END OF REAR BUMPER) WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY 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