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

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

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

18 19 PT CAN L PT CAN H 33 34 9 10 51 52 FLEX BUS SIG FLEX BUS SIG 36 45 30 DATA LINE BUS SIG DIAG FLEX BUS SIG 42 27 K-LIN K-LIN-1 AC LINE ACTIVE SOUND DESIGN BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER OUTPUT STAGE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE BUS SIG BUS SIG BUS SIG PT CAN L PT CAN H BUS SIG BUS SIG (OR PNK) WIRE BUS SIG DIAG DATA LINE CAN L CENTER OF WINDSHIELD) DATA LINE DATA LINE PNK PNK BUS SIG WIRE DRIVER'S DOOR SWITCH BLOCK DRIVER'S EXTERIOR MIRROR ELECTROCHROMIC INTERIOR REARVIEW MIRROR ELECTRONIC DAMPER CONTROL (RIGHT REAR OF LUGGAGE COMPT) FRONT ELECTRONIC MODULE (FEM) (RIGHT END OF DASH) FRONT PASSENGER EXTERIOR MIRROR FUSE FUSE 12 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HEAD UNIT HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HIFI AMPLIFIER HIGH VARIANT ROOF FUNCTION MODULE HOT AT ALL TIMES FUSE BOX INSTRUMENT CLUSTER CONTROL MODULE K CAN BUS K CAN BUS K LINE K-LIN K-LIN-1 LIGHT SWITCH UNIT LIN BUS SIG ORG/ WIRE ORG/GRN WIRE PNK 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK 24 25 26 27 WIRE PNK BUS SIG BUS SIG WIRE PNK PNK FLEX BUS SIG WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE PNK/WHT WIRE PT CAN H PT CAN L RED WIRE RED/BLU WIRE RELAY ENERGIZED RWD SPLY STEERING COLUMN SWITCH CLUSTER WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

1 4 BUS SIG BUS SIG 10 9 PT CAN L PT CAN H 2 47 48 45 44 8 7 46 2 47 48 44 43 BUS SIG BUS SIG BUS SIG 21 22 16 3 4 BUS SIG BUS SIG 28 13 PT CAN H PT CAN L 3 2 PT CAN H PT CAN L 3.0L TURBO HYBRID 32 33 S CAN H S CAN L 6 3 S CAN L S CAN H 7 6 (OR PNK) WIRE 9 10 4 WAKE-UP ACCUMULATOR MANAGEMENT ELECTRONICS ACTIVE CHASSIS CONTROL BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE BUS SIG BUS SIG CAMERA-BASED DRIVER ASSISTANCE SYSTEM CRASH SAFETY MODULE (REAR OF CENTER CONSOLE) DIAGNOSIS SOCKET DIAGNOSIS SOCKET TERMINATING RESISTOR DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRICAL MACHINE ELECTRONICS (UNDER LEFT FRONT OF VEHICLE) ELECTROMECHANICAL POWER STEERING (ON STEERING RACK) ELECTRONICS TRANSMISSION CONTROL MODULE (INSIDE BOTTOM OF TRANSMISSION) FUEL PUMP CONTROL (EKPS) (RIGHT REAR PASSENGER COMPT) 3 2 PT CAN H PT CAN L GEAR SELECTOR SWITCH GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE INTEGRATED CHASSIS MANAGEMENT (UNDER CENTER CONSOLE) LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL ORG/ WIRE PNK 11 12 13 14 15 16 17 18 19 20 21 WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE PT CAN H PT CAN L PT CANH PT CANL RED WIRE RED/BLU WIRE RIGHT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL STARTER/ ALTERNATOR ELECTRONICS TRANSFER BOX (BOTTOM REAR OF TRANSFER CASE) WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE

1 14 7 8 CAN LOW CAN HI 15 13 SENS SIG SENS SIG 3.0L 3.0L TURBO 4 17 55 41 SENS SIG SENS GND 9 6 19 RAD SHUTTER SENS SIG SENS SIG BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BSD SIG CHAMBER E-BOX) CHARACTERISTIC MAP THERMOSTAT (REAR OF ENGINE) COMPUTER DATA LINES DME CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) E-BOX FAN (BOTTOM OF E-BOX) E-BOX SIG EAC SENSOR (IF EQUIPPED) (BEHIND RADIATOR) ELEC FAN ELECTRIC COOLANT PUMP (3.0L, 3.0L TWIN TURBO) (REAR OF ENGINE) ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN (FRONT OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) ELECTRIC FAN 400 WATT ELECTRIC FAN 600 WATT 2 3 4 ELECTRIC FAN 850 WATT ENGINE COOLANT TEMPERATURE SENSOR (2.0L: TOP FRONT FUSE FUSE 33 FUSE 7 FUSE 3 HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE FUSE HOLDER (RIGHT SIDE OF COMPT) HOT AT HOT AT ALL ALL TIMES TIMES ENGINE ELECTRONICS FUSE CARRIER (RIGHT PLENUM HOT W/ DME RELAY ENERGIZED HOT W/ DME RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) FUSE HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE OF ENGINE) (3.0L, 3.0L TURBO: REAR OF ENGINE) ORG/ WIRE RADIATOR OUTLET TEMPERATURE SENSOR (3.0L) (RIGHT SIDE OF ENGINE) RADIATOR SHUTTER DRIVE UNIT (3.0L, 3.0L TWIN TURBO) RADIATOR SHUTTER SOLENOID RED WIRE RED/BLU (OR RED) WIRE RED/BLU WIRE RED/GRN WIRE SYSTEM VIO WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL/RED WIRE YEL/WHT WIRE

1 14 7 8 CAN LOW CAN HI 15 13 SENS SIG SENS SIG 3.0L 3.0L TURBO 4 17 55 41 SENS SIG SENS GND 9 6 19 RAD SHUTTER SENS SIG SENS SIG BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BSD SIG CHAMBER E-BOX) CHARACTERISTIC MAP THERMOSTAT (REAR OF ENGINE) COMPUTER DATA LINES DME CONTROL UNIT (RIGHT REAR OF ENGINE COMPT) E-BOX FAN (BOTTOM OF E-BOX) E-BOX SIG EAC SENSOR (IF EQUIPPED) (BEHIND RADIATOR) ELEC FAN ELECTRIC COOLANT PUMP (3.0L, 3.0L TWIN TURBO) (REAR OF ENGINE) ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN (FRONT OF ENGINE COMPT) (RIGHT SIDE OF ENGINE COMPT) ELECTRIC FAN 400 WATT ELECTRIC FAN 600 WATT 2 3 4 ELECTRIC FAN 850 WATT ENGINE COOLANT TEMPERATURE SENSOR (2.0L: TOP FRONT FUSE FUSE 33 FUSE 7 FUSE 3 HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE FUSE HOLDER (RIGHT SIDE OF COMPT) HOT AT HOT AT ALL ALL TIMES TIMES ENGINE ELECTRONICS FUSE CARRIER (RIGHT PLENUM HOT W/ DME RELAY ENERGIZED HOT W/ DME RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) FUSE HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE OF ENGINE) (3.0L, 3.0L TURBO: REAR OF ENGINE) ORG/ WIRE RADIATOR OUTLET TEMPERATURE SENSOR (3.0L) (RIGHT SIDE OF ENGINE) RADIATOR SHUTTER DRIVE UNIT (3.0L, 3.0L TWIN TURBO) RADIATOR SHUTTER SOLENOID RED WIRE RED/BLU (OR RED) WIRE RED/BLU WIRE RED/GRN WIRE SYSTEM VIO WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL/RED WIRE YEL/WHT WIRE

13 28 PT-CAN BUS SIG PT-CAN BUS SIG 17 35 BSD BUS SIG SPLY PUMP 2.0L TWIN 25 54 TEMP SENS TEMP SENS SIG 3.0L TWIN 46 37 SPLY MAP MAP THERMOSTAT ACCUMULATOR MANAGEMENT ELECTRONICS AUXILIARY WATER PUMP (LEFT REAR OF BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CHARACTERISTIC MAP THERMOSTAT (REAR OF ENGINE) COMPUTER DATA LINES SYSTEM CUT-OUT RELAY ELEC FAN ELECTRIC COOLANT PUMP (REAR OF ENGINE) ELECTRIC COOLANT PUMP 2 ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN CUT OUT RELAY ELECTRIC FAN CUT OUT RELAY (RIGHT PLENUM CHAMBER E-BOX) ELECTRICAL MACHINE ELECTRONICS (UNDER LEFT FRONT ENGINE COMPT) ENGINE CONTROLS SYSTEM FAN 400, 600 WATT 2.0L TURBO EXCEPT SULEV 2.0L TURBO SULEV 5 6 FRONT REFRIGERANT SHUT-OFF VALVE FUSE FUSE 29 FUSE 33 GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES POWER DISTRIBUTION BOX FUSE HOT W/ OF VEHICLE) RED WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE REFRIGERANT SHUT-OFF VALVE (HIGH VOLTAGE BATTERY) RELAY ENERGIZED RELAY ENERGIZED FRONT POWER DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) SHUTOFF VALVE WHT WIRE WHT/BLU WIRE WHT/BRN 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

ADJUSTING DRIVE BLU WIRE BLU/YEL WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM DRIVER EXTERIOR MIRROR DRIVER'S DOOR SWITCH BLOCK FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT PASSENGER EXTERIOR MIRROR FRONT POWER DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES FUSE BOX FUSE 504 HOT W/ LIN BUS SIG MIRROR HEATING RED WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED FUSE 22 SUPPLY WHT/BRN WIRE YEL WIRE

42 2 LIN BUS SIG MIRR HEATER 45 46 BUS SIG BUS SIG BLU WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER EXTERIOR MIRROR DRIVER'S DOOR SWITCH BLOCK FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT PASSENGER EXTERIOR MIRROR FRONT POWER DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) FUSE 22 FUSE 504 FUSE BOX GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ TERMINAL MIRR HEATER MIRROR HEATING NCA WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/GRY WIRE SUPPLY