BMW 3 series F30/F31 (2011-2015) computer data lines system Wiring diagrams

1 2 3 4 (PIN 5-10 NOT USED) 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 ELECTRONICS JUNCTION BOX FUSE GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE NCA WIRE OBDII SOCKET 12 13 3 11 (UNDER LEFT SIDE OF DASH) ORG/ WIRE ORG/GRN WIRE 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 3-6 NOT USED) 7 8 (PIN 9-12 NOT USED) ANTENNA DIVERSITY (CENTER REAR OF ROOF) AUX-IN CONNECTION AV SOCKET 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) COMPUTER DATA LINES SYSTEM FUSE 14 FUSE 18 FUSE 19 GRN WIRE GRY WIRE GRY/RED 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 SUB- WOOFER MOST-BUS CONNECTOR NCA WIRE ORG/GRN WIRE RADIO REAR-WINDOW AERIAL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SUB- WOOFER ROOF ANTENNA SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TELEPHONE RETROFIT PACKAGES CONNECTOR TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) W/ ANTENNA DIVERSITY W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION W/O ANTENNA DIVERSITY WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/RED WIRE

1 2 MOST DATA BUS CIRCUIT AERIAL AMPLIFIER BASE PLATE BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 121 FUSE 124 FUSE 155 FUSE 127 GPS ANTENNA GRN WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEAD UNIT HOT W/ TERMINAL MOST DATA BUS CIRCUIT NCA WIRE NOISE SUPPRESSOR FILTER ORG/ WIRE ORG/GRN WIRE REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) REAR WINDOW ANTENNA REAR WINDOW DEFOGGER REJECTOR CIRCUIT REAR WINDOW DEFOGGER REJECTOR CIRCUIT 2 RED WIRE RED/VIO WIRE RED/YEL WIRE ROOF AERIAL VIDEO MODULE (LEFT SIDE OF REAR COMPT) VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BRN WIRE WHT/GRN 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) AUX-IN CONNECTION 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 CONTROLLER DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRONICS JUNCTION BOX FAN M-ASK/CCC FUSE FUSE 18 FUSE 19 FUSE 27 GPS GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ BI-STABLE RELAY ENERGIZED HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT IN-BUMPER TV ANTENNA LEFT MICROPHONE MOST-BUS CONNECTOR NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT IN-BUMPER TV ANTENNA ROOF ANTENNA SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS ANTENNA VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/ AUTOMATIC ENGINE START/STOP FUNCTION W/O AUTOMATIC ENGINE START/STOP FUNCTION W/O BOSCH DSC W/ BOSCH DSC WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

18 19 20 21 22 (PIN 23-26 NOT USED) AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CAR INFORMATION COMPUTER CIC CD CHANGER (LEFT SIDE OF REAR COMPT) CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM CONTROLLER DIGITAL TUNER ANTENNA DIGITAL TUNER ANTENNA 2 ELECTRONICS JUNCTION BOX FUSE FUSE 14 FUSE 18 FUSE 19 FUSE 27 GRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT IN-BUMPER TV ANTENNA REMOTE CONTROL RECEIVER LEFT MICROPHONE MOST-BUS CONNECTOR NCA WIRE OBDII SOCKET (UNDER LEFT SIDE OF DASH) ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT IN-BUMPER TV ANTENNA ROOF ANTENNA GPS 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/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 (PIN 16-29 NOT USED) 30 31 32 33 34 35 36 AUX-IN CONNECTION AV SOCKET BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE CD CHANGER (LEFT SIDE OF REAR COMPT) COMPUTER DATA LINES SYSTEM CONTROLLER FUSE 14 FUSE 18 FUSE 19 FUSE 27 GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) MOST-BUS CONNECTOR NCA WIRE ORG/GRN WIRE RADIO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RELAY ENERGIZED ROOF ANTENNA SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS ANTENNA TELEPHONE RETROFIT PACKAGES CONNECTOR TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) W/ ANTENNA DIVERSITY W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION W/O ANTENNA DIVERSITY WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLK 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) AUX-IN CONNECTION 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 ELECTRONICS JUNCTION BOX FAN M-ASK/CCC 1 3 2 FUSE FUSE 18 GPS GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ BI-STABLE RELAY ENERGIZED HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) 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) VIDEO MODULE (LEFT SIDE OF REAR COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE

AMPLIFIER (LEFT SIDE OF REAR COMPT) BLK 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 COMPUTER DATA LINES SYSTEM CONTROLLER DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) EDC ELECTRONIC DAMPER CONTROL (RIGHT SIDE OF REAR COMPT) FUSE 15 FUSE 27 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HI-RANGE SPEAKER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER NCA WIRE ORG/GRN WIRE REAR-WINDOW AERIAL RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HI-RANGE SPEAKER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER TCU TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION W/O BOSCH DSC W/ BOSCH DSC YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

1 2 3 4 (PIN 5-10 NOT USED) AERIAL DIVERSITY (CENTER REAR OF ROOF) AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CAR INFORMATION COMPUTER CIC CD CHANGER (LEFT SIDE OF REAR COMPT) CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM CONTROLLER ELECTRONICS JUNCTION BOX FUSE FUSE 18 FUSE 19 FUSE 27 GRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE MOST-BUS CONNECTOR NCA WIRE OBDII SOCKET 12 13 3 11 (UNDER LEFT SIDE OF DASH) ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED USB PORT W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

AERIAL DIVERSITY (CENTER REAR OF ROOF) AUX-IN CONNECTION AV SOCKET BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM CONTROLLER FUSE 14 FUSE 18 FUSE 19 FUSE 27 GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) MOST-BUS CONNECTOR NCA WIRE ORG/GRN WIRE RADIO REAR-WINDOW AERIAL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RELAY ENERGIZED ROOF ANTENNA SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TELEPHONE RETROFIT PACKAGES CONNECTOR TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) W/ ANTENNA DIVERSITY W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION W/O ANTENNA DIVERSITY WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/RED WIRE