BMW 3 series F30/F31 (2011-2015) junction box (under right side of dash) Wiring diagrams

2 3 CONVERTIBLE COUPE BLK WIRE BLU WIRE BOOT LID/ TAILGATE LUGGAGE COMPARTMENT LIGHT BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR COURTESY LIGHT DRIVER'S DOOR ENTRANCE LIGHT DRIVER'S DOOR EXIT LIGHT DRIVER'S SIDE FOOTWELL LIGHT ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 41 FUSE 77 FUSE 84 FUSE 86 FUSE 81 GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES INSTRUMENT ILLUMINATION CIRCUIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT LUGGAGE COMPARTMENT LIGHT LEFT REAR LID LOCK SWITCH LIGHT SWITCH UNIT NCA WIRE ORG/GRN WIRE PASSENGER'S DOOR COURTESY LIGHT PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S DOOR EXIT LIGHT PASSENGER'S SIDE FOOTWELL LIGHT REAR DRIVER'S SIDE DOOR COURTESY LIGHT REAR INTERIOR LIGHT REAR PASSENGER'S SIDE DOOR COURTESY LIGHT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT LUGGAGE COMPARTMENT LIGHT TOWING HITCH RELEASE (REAR OF VEHICLE) TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) VIO WIRE VIO/BRN WIRE W/ LIGHT PACKAGE W/O LIGHT PACKAGE WHT WIRE WHT/BRN 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

AMPLIFIER (LEFT SIDE OF REAR COMPT) BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE FUSE 15 GRN WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL 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 TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER NCA WIRE REAR-WINDOW AERIAL RED 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 TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER ROOF ANTENNA SATELLITE RECEIVER (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/GRN WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/RED 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

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 FUSE 15 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 TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HI-RANGE SPEAKER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

AMPLIFIER (LEFT SIDE OF REAR COMPT) BLK/BRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER SPEAKER FUSE 15 GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HIGH RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER MOST DATA BUS CIRCUIT RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HIGH RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION YEL/BRN WIRE YEL/RED WIRE

AMPLIFIER (LEFT SIDE OF REAR COMPT) BLK/BRN WIRE BLK/WHT WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER SPEAKER FUSE 15 GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HIGH RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER MOST DATA BUS CIRCUIT RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HIGH RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONVERTIBLE COUPE COUPE FUEL FILLER FLAP CENTRAL LOCKING DRIVE FUSE 72 FUSE 73 GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOTEL SWITCH (COUPE) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT REAR LID LOCK SWITCH (CONVERTIBLE) ORG/GRN WIRE REAR LID RELEASE SWITCH (INTERIOR) RIGHT REAR LID LOCK SWITCH (CONVERTIBLE) TRUNK LID BUTTON TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) WHT/BRN WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/RED WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE 27 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT ELECTRONIC WHEEL MODULE LEFT FRONT RDC TRANSMITTER (FRONT OF LEFT FRONT WHEEL) LEFT REAR ELECTRONIC WHEEL MODULE LEFT REAR RDC TRANSMITTER (BEHIND LEFT REAR WHEEL) ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RDC ANTENNA (UNDER VEHICLE) RED WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT ELECTRONIC WHEEL MODULE RIGHT FRONT RDC TRANSMITTER (FRONT OF RIGHT FRONT WHEEL) RIGHT REAR ELECTRONIC WHEEL MODULE RIGHT REAR RDC TRANSMITTER (BEHIND RIGHT REAR WHEEL) TIRE PRESSURE CONTROL (RDC) (RIGHT SIDE OF REAR COMPT) VIO WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE 27 GRN WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT ELECTRONIC WHEEL MODULE LEFT FRONT RDC TRANSMITTER (FRONT OF LEFT FRONT WHEEL) LEFT REAR ELECTRONIC WHEEL MODULE LEFT REAR RDC TRANSMITTER (BEHIND LEFT REAR WHEEL) ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RDC ANTENNA (UNDER VEHICLE) RED WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT ELECTRONIC WHEEL MODULE RIGHT FRONT RDC TRANSMITTER (FRONT OF RIGHT FRONT WHEEL) RIGHT REAR ELECTRONIC WHEEL MODULE RIGHT REAR RDC TRANSMITTER (BEHIND RIGHT REAR WHEEL) TIRE PRESSURE CONTROL (RDC) (RIGHT SIDE OF REAR COMPT) VIO WIRE