BMW 3 series F30/F31 (2011-2015) sound systems Wiring diagrams

BLK WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CAR INFORMATION COMPUTER CIC COMFORT ACCESS CONTROL UNIT (RIGHT SIDE OF REAR COMPT) COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FBD RECEIVER FRONT INNER ANTENNA CENTER CONSOLE GRN WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE NCA WIRE ORG/GRN WIRE PASSENGER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE REAR FENDER AERIAL REAR INNER ANTENNA LUGGAGE COMPARTMENT REAR INTERIOR ANTENNA CENTER CONSOLE RED WIRE RED/VIO WIRE RED/YEL WIRE REMOTE CONTROL RECEIVER ROOF ANTENNA SLIDE-IN COMPARTMENT SOUND SYSTEMS START-STOP BUTTON WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 DATA LINE DATA LINE DATA LINE AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM AIR CONDITIONING SYSTEM INTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM HORNS SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM BISTABLE RELAY BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA LINE DATA LINE LOCTR LMP DOOR LOCKS SYSTEM DOOR LOCKS, INTERIOR LIGHTS SYSTEMS DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS ANTI-THEFT SYSTEM EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS FRONT ELECTRONIC MODULE (FEM) (RIGHT END OF DASH) GND SIGNAL SHIFT GROUND GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE INSTRUMENT CLUSTER SYSTEM LIN BUS SIG GROUND START SIG LED ACT START STOP GROUND LED ACTION LIN BUS SIG OUT SIDE SIG OUT SIDE SIG LOCATOR LIGHT NAVIGATION SYSTEM ORG/GRN WIRE REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY SOUND SYSTEMS START STOP GROUND POSITION SW GROUND AERIL SIG AERIL SIG STARTING/CHARGING, ANTI-THEFT SYSTEMS TERMINAL VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLANT LEVEL FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT POWER DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) FUEL LEVEL SENSOR FUEL LEVEL SENSOR 2 FUSE 50 FUSE 52 GRN WIRE GRN/RED WIRE HEAD-UP DISPLAY HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT MODULE (REM) (RIGHT REAR OF LUGGAGE COMPT) NCA WIRE ORG/ WIRE OUTSIDE TEMPERATURE PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) REAR ELECTRONIC RED WIRE RED/BLU WIRE RED/BRN WIRE RED/YEL WIRE RELAY ENERGIZED SENSOR SENSOR (FRONT CENTER OF BUMPER) SOUND SYSTEMS YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/WHT WIRE