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

AERIAL DIVERSITY (CENTER REAR OF ROOF) BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/GRY/WHT WIRE BRN/GRY/YEL WIRE BRN/RED WIRE BRN/WHT WIRE BUTTON CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER LOCK COMPUTER DATA LINES SYSTEM COUPE DRIVER'S DOOR SYSTEM LOCK (LEFT FRONT DOOR) ELECTRONICS JUNCTION BOX FBD RECEIVER ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 72 FUSE 73 GLOVE COMPARTMENT CENTRAL LOCKING DRIVE UNIT (CONVERTIBLE) GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HOOD CONTACT SWITCH (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOTEL SWITCH (COUPE) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) ORG/GRN WIRE PASSENGER'S DOOR SYSTEM LOCK (RIGHT FRONT DOOR) RED WIRE REMOTE CONTROL RECEIVER TRUNK LID BUTTON VIO/GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

18 19 K CAN L K CAN H 19 26 35 WAKE-UP K CAN L K CAN H 2 1 3 2 F CAN H F CAN L 2 1 F CAN H F CAN L 3.0L TWIN TURBO EXCEPT SEDAN 4 3 K CAN L K CAN H 5 6 3 9 8 F CAN H F CAN L WAKE-UP PT CAN H PT CAN L 5 6 K CAN H K CAN L 5 6 K CAN L K CAN H 9 11 K CAN L K CAN H ACTIVE STEERING (IF EQUIPPED) (BEHIND LEFT FRONT WHEEL) BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CAR INFORMATION COMPUTER CIC CAR INFORMATION COMPUTER CIC (W/ CIC) CCC/M-ASK (W/ CCC/M-ASK) CENTRAL INFORMATION DISPLAY 6 7 K CAN L K CAN H COMBOX (UNDER LEFT SIDE OF DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) 3.0L, 4.0L DRIVER'S SEAT HEATING MODUULE DSC SENSOR (LEFT FRONT FOOTWELL) DSC SENSOR 2 (W/ ACTIVE STEERING) (UNDER DRIVER'S SEAT) ELECTRONICS JUNCTION BOX FUSE 74 GRN ORG/ WIRE GRN WIRE GRN/RED WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) K CAN H K CAN L LUGGAGE COMPT FLOOR) MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE OBDII SOCKET (UNDER LEFT SIDE OF DASH) ORG/GRN WIRE RADIO (W/ RADIO) RED WIRE RED/YEL WIRE SIREN W/ TILT ALARM SENSOR STEERING COLUMN SWITCH CLUSTER STEERING GEAR (4.0L) W/O BOSCH DSC, W/ ACTIVE STEERING W/O BOSCH W/ BOSCH WHT/BLU WIRE WHT/YEL WIRE

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

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

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

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

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE OUTSIDE MIRROR ELECTRONICS JUNCTION BOX FUSE 78 GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE YEL WIRE

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE OUTSIDE MIRROR ELECTRONICS JUNCTION BOX FUSE 78 GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE YEL 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

ACC PDL GRD ACC PDL (+) ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM STARTING/CHARGING SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE VACUUM SENSOR (ON BRAKE VACUUM BOOSTER ASSEMBLY) BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRANKSHAFT BREATHER HEATING 1 (LEFT SIDE OF ENGINE) DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) E-BOX SIG ELECTRONICS JUNCTION BOX FUEL PUMP CONTROL (EKPS) FUSE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEAK DIAG SIG SENSOR GRD SENSOR GRD SENSOR SIG SENSOR SIG NCA WIRE ORG/ WIRE OXYGEN SENSOR 2 BEFORE CATALYTIC CONVERTER OXYGEN SENSOR 2 BEHIND CATALYTIC CONVERTER OXYGEN SENSOR BEFORE CATALYTIC CONVERTER OXYGEN SENSOR BEHIND CATALYTIC CONVERTER RADIATOR OUTLET TEMPERATURE SENSOR (RIGHT SIDE OF ENGINE) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY TERMINAL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE