BMW 3 series F30/F31 (2011-2015) (under left side of dash) 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/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

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