BMW 3 series F30/F31 (2011-2015) electronics junction box Wiring diagrams

2 3 COUPE RIGHT LUGGAGE COMPARTMENT LIGHT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPE COUPE CONVERTIBLE DRIVER'S DOOR ENTRANCE LIGHT ELECTRONICS JUNCTION BOX FRONT INTERIOR LIGHT FUSE 25 FUSE 41 FUSE 62 FUSE 7 FUSE 77 FUSE 84 FUSE 86 FUSE 81 GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ TERMINAL 15 RELAY ENERGIZED INTERIOR LIGHTS JUNCTION BOX LEFT FRONT MAKE UP MIRROR SWITCH LEFT FRONT MAKE- UP MIRROR LIGHT LEFT LUGGAGE COMPA- RTMENT LIGHT LEFT REAR LID LOCK SWITCH MAP READING LIGHT ORG/GRN WIRE PASSENGER'S DOOR ENTRANCE LIGHT POWER DISTRIBUTION SYSTEM REAR INTERIOR LIGHT (COUPE) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT MAKE UP MIRROR SWITCH RIGHT FRONT MAKE- UP MIRROR LIGHT ROOF FUNCTION CONTROL CENTER TOP LIGHT TOWING HITCH RELEASE DRIVE UNIT (REAR OF VEHICLE) TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) VIO WIRE VIO/BRN WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN GRY/ WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM CONTROL SYSTEM ELECTRONIC SIGNAL LAMP DAYTIME SIDE/ DIRECTION DRIVING ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 31 FUSE 32 FUSE 41 FUSE 71 FUSE 81 FUSE 84 FUSE 86 GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ BI-STABLE RELAY ENERGIZED HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LED TURN LED TURN SIGNAL LEFT LEFT FRONT DIRECTION INDICATOR LIGHT REPEATER LICENSE PLATE LIGHT LIGHT ORG/GRN WIRE POSITIONING RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT DIRECTION INDICATOR LIGHT REPEATER RIGHT HEADLIGHT RIGHT LICENSE PLATE LIGHT SIDE MARKER SIDE/ DAYTIME DRIVING W/O LED W/ LED YEL WIRE YEL/BLK WIRE YEL/VIO WIRE YEL/WHT WIRE

4 2 (W/ MEMORY) (W/O MEMORY) AUXILIARY WATER PUMP BLOWER OUTPUT STAGE BLU/GRY WIRE BRN WIRE CONVERTIBLE COUPE DC/DC CONVERTER DRIVER'S SIDE REAR ENTRANCE LIGHT DRIVER'S SIDE REAR POWER WINDOW SWITCH DRIVER'S SIDE REAR SYSTEM LOCK ELECTRIC FAN CUT OUT RELAY ELECTRONICS JUNCTION BOX HARD TOP OPERATING UNIT IGNITION COIL CYLINDER 2 IGNITION COIL CYLINDER 4 IGNITION COIL CYLINDER 6 IGNITION COIL, CYLINDER 5 IGNITION COIL, CYLINDER 7 IGNITION COIL, CYLINDER 8 IGNITION COIL, WATER LEFT FOG CYLINDER 1 VALVE LIGHT INDEPENDENT/ AUXILIARY HEATING CONTROL ACTIVE MODULE STEERING INTERFERENCE SUPPRESSION CAPACITOR 2 INTERFERENCE SUPPRESSION CAPACITOR IGNITION COIL, CYLINDER 3 LEFT HEADLIGHT LEFT HEATED WASHER NOZZLE LEFT TAIL LIGHT NCA WIRE PASSENGER'S DOOR COURTESY LIGHT PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S DOOR EXIT LIGHT PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S DOOR SYSTEM LOCK PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK PASSENGER'S SEAT VACUUM PUMP PASSENGER'S SIDE FOOTWELL WIPER HEATING LIGHT MOTOR MODULE PASSENGER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE PASSENGER'S SIDE OUTSIDE MIRROR RIGHT HEATED WASHER NOZZLE ROOF FUNCTION CONTROL CENTER SIREN W/ TILT ALARM SENSOR TRANSFER BOX CONTROL MODULE W/ XENON W/O HEATED MIRRORS W/ HEATED MIRRORS

3.0L 3.0L TWIN TURBO AMPLIFIER AUC SENSOR AUXILIARY TRUNK LID BRAKE CENTRAL LIGHT LOCKING DRIVE BATTERY RIGHT HEADLIGHT BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CD CHANGER COMFORT ACCESS CONTROL MODULE CONVERTIBLE TOP MODULE DIGITAL TUNER DIGITAL TUNER US EJECT (IF EQUIPPED) BOX TCU ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONIC FUEL PUMP ELECTRONICS JUNCTION BOX FOOTWELL MODULE FUEL PUMP CONTROL (EKPS) GEAR INDICATOR LIGHTING IGNITION COIL CYLINDER 3 IGNITION IGNITION COIL COIL CYLINDER 1 CYLINDER 2 IGNITION IGNITION IGNITION COIL COIL COIL CYLINDER 6 CYLINDER 1 CYLINDER 2 IGNITION IGNITION IGNITION COIL COIL COIL CYLINDER 6 CYLINDER 4 CYLINDER 5 INTERFERENCE SUPPRESSION CAPACITOR FOR IGNITION COILS LEFT AUTOMATIC SOFT CLOSE DRIVE LEFT REAR LID LOCK SWITCH NCA WIRE PARK DISTANCE CONTROL (PDC) PASSENGER'S PASSENGER'S SIDE SIDE REAR REAR ENTRANCE SYSTEM LIGHT LOCK PASSENGER'S SIDE REAR POWER WINDOW SWITCH PASSIVE FUEL TANK FUEL LEVEL SENSOR REAR PASSENGER'S SIDE DOOR COURTESY LIGHT RIGHT ACTIVE INNER TANK TAIL FUEL LIGHT LEVEL SENSOR RIGHT AUTOMATIC SOFT CLOSE DRIVE RIGHT TIRE TAIL PRESSURE LIGHT CONTROL SCR DELIVERY LINE HEATING MODULE SCR DELIVERY REFILL PUMP MODULE STEPTRONIC SWITCH TOP OF ENGINE) VIDEO MODULE W/O ULF-SBX-H WHT WIRE

4 2 (W/ MEMORY) (W/O MEMORY) AUXILIARY WATER PUMP BLOWER OUTPUT STAGE BLU/GRY WIRE BRN WIRE CONVERTIBLE COUPE DC/DC CONVERTER DRIVER'S SIDE REAR ENTRANCE LIGHT DRIVER'S SIDE REAR POWER WINDOW SWITCH DRIVER'S SIDE REAR SYSTEM LOCK ELECTRIC FAN CUT OUT RELAY ELECTRONICS JUNCTION BOX HARD TOP OPERATING UNIT IGNITION COIL CYLINDER 2 IGNITION COIL CYLINDER 4 IGNITION COIL CYLINDER 6 IGNITION COIL, CYLINDER 5 IGNITION COIL, CYLINDER 7 IGNITION COIL, CYLINDER 8 IGNITION COIL, WATER LEFT FOG CYLINDER 1 VALVE LIGHT INDEPENDENT/ AUXILIARY HEATING CONTROL ACTIVE MODULE STEERING INTERFERENCE SUPPRESSION CAPACITOR 2 INTERFERENCE SUPPRESSION CAPACITOR IGNITION COIL, CYLINDER 3 LEFT HEADLIGHT LEFT HEATED WASHER NOZZLE LEFT TAIL LIGHT NCA WIRE PASSENGER'S DOOR COURTESY LIGHT PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S DOOR EXIT LIGHT PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S DOOR SYSTEM LOCK PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK PASSENGER'S SEAT VACUUM PUMP PASSENGER'S SIDE FOOTWELL WIPER HEATING LIGHT MOTOR MODULE PASSENGER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE PASSENGER'S SIDE OUTSIDE MIRROR RIGHT HEATED WASHER NOZZLE ROOF FUNCTION CONTROL CENTER SIREN W/ TILT ALARM SENSOR TRANSFER BOX CONTROL MODULE W/ XENON W/O HEATED MIRRORS W/ HEATED MIRRORS

3.0L 3.0L TWIN TURBO AMPLIFIER AUC SENSOR AUXILIARY TRUNK LID BRAKE CENTRAL LIGHT LOCKING DRIVE BATTERY RIGHT HEADLIGHT BRN WIRE BRN/BLK WIRE BRN/WHT WIRE CD CHANGER COMFORT ACCESS CONTROL MODULE CONVERTIBLE TOP MODULE DIGITAL TUNER DIGITAL TUNER US EJECT (IF EQUIPPED) BOX TCU ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONIC FUEL PUMP ELECTRONICS JUNCTION BOX FOOTWELL MODULE FUEL PUMP CONTROL (EKPS) GEAR INDICATOR LIGHTING IGNITION COIL CYLINDER 3 IGNITION IGNITION COIL COIL CYLINDER 1 CYLINDER 2 IGNITION IGNITION IGNITION COIL COIL COIL CYLINDER 6 CYLINDER 1 CYLINDER 2 IGNITION IGNITION IGNITION COIL COIL COIL CYLINDER 6 CYLINDER 4 CYLINDER 5 INTERFERENCE SUPPRESSION CAPACITOR FOR IGNITION COILS LEFT AUTOMATIC SOFT CLOSE DRIVE LEFT REAR LID LOCK SWITCH NCA WIRE PARK DISTANCE CONTROL (PDC) PASSENGER'S PASSENGER'S SIDE SIDE REAR REAR ENTRANCE SYSTEM LIGHT LOCK PASSENGER'S SIDE REAR POWER WINDOW SWITCH PASSIVE FUEL TANK FUEL LEVEL SENSOR REAR PASSENGER'S SIDE DOOR COURTESY LIGHT RIGHT ACTIVE INNER TANK TAIL FUEL LIGHT LEVEL SENSOR RIGHT AUTOMATIC SOFT CLOSE DRIVE RIGHT TIRE TAIL PRESSURE LIGHT CONTROL SCR DELIVERY LINE HEATING MODULE SCR DELIVERY REFILL PUMP MODULE STEPTRONIC SWITCH TOP OF ENGINE) VIDEO MODULE W/O ULF-SBX-H WHT WIRE

BLK WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) ELECTRONICS JUNCTION BOX FANFARE HORN FUSE 57 GRN WIRE HORN SWITCH HOT AT ALL TIMES REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) FUSE 101 JUNCTION BOX LEFT HORN (LEFT SIDE OF FRONT BUMPER) RED WIRE RELAY RIGHT HORN (RIGHT SIDE OF FRONT BUMPER) STEERING COLUMN SWITCH CLUSTER TERMINAL 15 RELAY VIO/BLU WIRE

BLK WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE ELECTRONICS JUNCTION BOX FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FUSE 10 FUSE 14 HIGH RANGE HORN HORN BUTTON HORN RELAY HOT AT ALL TIMES HOT W/ TERMINAL LOW RANGE HORN RED/YEL WIRE RELAY ENERGIZED STEERING COLUMN SWITCH CLUSTER VIO/BLU WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/BLK/YEL WIRE BRN/WHT WIRE CENTRAL INFORMATION DISPLAY COMPT) COOLANT LEVEL SWITCH (RIGHT SIDE OF ENGINE COUPE ELECTRIC FUEL PUMP (RIGHT TANK HALF FUEL LEVEL SENSOR) (UNDER RIGHT REAR SEAT) ELECTRONICS JUNCTION BOX FUEL LEVEL SENSOR (UNDER LEFT REAR SEAT) FUSE 74 GRN WIRE INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT HALF TANK FUEL LEVEL SENSOR ELECTRIC FUEL PUMP (UNDER RIGHT REAR SEAT) LEFT TANK HALF ORG/ WIRE ORG/GRN WIRE OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) RED WIRE RED/BLU WIRE RIGHT HALF TANK FUEL LEVEL SENSOR STEERING COLUMN SWITCH CENTER WHT WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/BLK/YEL WIRE BRN/WHT WIRE CENTRAL INFORMATION DISPLAY COMPT) COOLANT LEVEL SWITCH (RIGHT SIDE OF ENGINE COUPE ELECTRIC FUEL PUMP (RIGHT TANK HALF FUEL LEVEL SENSOR) (UNDER RIGHT REAR SEAT) ELECTRONICS JUNCTION BOX FUEL LEVEL SENSOR (UNDER LEFT REAR SEAT) FUSE 74 GRN WIRE INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT HALF TANK FUEL LEVEL SENSOR ELECTRIC FUEL PUMP (UNDER RIGHT REAR SEAT) LEFT TANK HALF ORG/ WIRE ORG/GRN WIRE OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) RED WIRE RED/BLU WIRE RIGHT HALF TANK FUEL LEVEL SENSOR STEERING COLUMN SWITCH CENTER WHT WIRE YEL WIRE