BMW 3 series F30/F31 (2011-2015) power distribution system Wiring diagrams

1 18 23 TER 15 SUPY PWR SUPPY CLUTCH MOD AERAIL SIG AERIAL SIG ANTI-THEFT ALARM SYSTEM LED BLK/RED WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BONNET CONTACT SWITCH BOOT LID/ TAILGATE LOCK BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CLUTCH SWITCH MODULE (M/T) (UNDER LEFT SIDE OF DASH) COMFORT ACCESS COMPUTER DATA LINES SYSTEM DRIVERS DOOR LOCK (LEFT FRONT DOOR) EARLY PRODUCTION ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FRONT CENTER CONSOLE INTERIOR AERIAL FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT PASSENGER DOOR LOCK (RIGHT FRONT DOOR) FUSE 104 FUSE 13 FUSE 504 FUSE BOX GRN/BRN WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH VARIANT ROOF FUNCTION MODULE HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) FUSE 103 HOT W/ BI-STABLE RELAY ENERGIZED LATE PRODUCTION LIN BUS SIG POWER DISTRIBUTION SYSTEM REAR CENTER CONSOLE INTERIOR AERIAL REAR DRIVERS SIDE DOOR LOCK REAR ELECTRONIC MODULE (REM) (RIGHT REAR OF LUGGAGE COMPT) REAR PASSENGER'S SIDE DOOR LOCK RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE REMOTE CONTROL RECEIVER 3 2 1 SIG SIREN W/ TILT ALARM SENSOR SW SIG TERM 15 SPLY TERM 30 SUPPLY 30 6 VIO/GRN WIRE VIO/YEL WIRE WHT/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

19 18 CAN H CAN L 29 27 28 51 52 GND SIG LOCATING LAMP HOTEL POS SW GND BLK WIRE BLK/RED WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BONNET CONTACT SWITCH BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVERS DOOR LOCK (LEFT FRONT DOOR) EARLY PRODUCTION ELECTRONICS JUNCTION BOX FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT PASSENGER'S DOOR LOCK (RIGHT FRONT DOOR) FUSE 103 FUSE 104 (RIGHT SIDE OF REAR COMPT) FUSE 5 FUSE 500 FUSE 504 FUSE 7 GRN/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE BOX INTERIOR REAR LID BUTTON LATE PRODUCTION LIN BUS SIG POWER DISTRIBUTION SYSTEM REAR FUSE HOLDER RED WIRE RED/BRN WIRE RED/GRY WIRE REMOTE CONTROL RECEIVER SIREN W/ TILT ALARM SENSOR SW SIG TERM 30 SPLY VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL/BRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GND 1 2 3 4 5 6 7 8 9 10 11 12 GND CAN BUS SIG CAN BUS SIG 3.0L A/C, REFRIGERANT COMPRESSOR CONTROL VALVE (RIGHT FRONT OF ENGINE) AIR DISTRIBUTION MICRO SWITCH (CENTER OF DASH) AUXILIARY WATER PUMP (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER OUTPUT STAGE BLOWER SIG SENS GRD VOLT SPLY SENS SPLY SENS SIG BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONDENSATION SENSOR (CENTER OF WINDSHIELD) CONVERTIBLE EXCEPT CONVERTIBLE ELECTRONICS JUNCTION BOX EVAPORATOR TEMPERATURE SENSOR (CENTER OF DASH) FOOTWELL TEMPERATURE SENSOR FUSE 6 FUSE 77 FUSE 88 GRN WIRE GRN/RED WIRE HEATER HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES HOT W/ HOT W/ TERMINAL 15 RELAY ENERGIZED INDEPENDENT HEATING CIRCUIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) MIXING AIR CONTROL SOLAR SENSOR (TOP CENTER OF DASH) NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT FRESH AIR GRILLE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER VENTILATION TEMPERATURE SENSOR (CENTER OF DASH) WATER VALVE (LEFT SIDE OF AUXILIARY WATER PUMP) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

1 14 7 8 CAN LOW CAN HI 12 26 LIN BUS SIG E-BOX SIG 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) EAC SENSOR (BEHIND RADIATOR) ELEC FAN ELECTRIC COOLANT PUMP (3.0L, 3.0L TURBO, 3.0L TWIN TURBO) (REAR OF ENGINE) ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN 400 WATT ELECTRIC FAN 600 WATT 2 3 4 ELECTRIC FAN 850 WATT ENGINE COOLANT TEMPERATURE SENSOR (3.0L, TURBO: REAR OF ENGINE) FUSE FUSE 7 FUSE 3 HOT AT ALL TIMES HOT AT HOT AT ALL ALL TIMES TIMES ENGINE ELECTRONICS FUSE CARRIER (RIGHT PLENUM HOT W/ DME RELAY ENERGIZED HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM RADIATOR SHUTTER DRIVE UNIT (3.0L, 3.0L TURBO, 3.0L TWIN TURBO) RADIATOR SHUTTER SOLENOID RED WIRE RED/BLU WIRE RED/GRN WIRE SYSTEM VIO WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GND 1 2 3 4 5 6 7 8 9 10 11 12 GND CAN BUS SIG CAN BUS SIG 3.0L A/C, REFRIGERANT COMPRESSOR CONTROL VALVE (RIGHT FRONT OF ENGINE) AIR DISTRIBUTION MICRO SWITCH (CENTER OF DASH) AUXILIARY WATER PUMP (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER OUTPUT STAGE BLOWER SIG SENS GRD VOLT SPLY SENS SPLY SENS SIG BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONDENSATION SENSOR (CENTER OF WINDSHIELD) CONVERTIBLE EXCEPT CONVERTIBLE ELECTRONICS JUNCTION BOX EVAPORATOR TEMPERATURE SENSOR (CENTER OF DASH) FOOTWELL TEMPERATURE SENSOR FUSE 6 FUSE 77 FUSE 88 GRN WIRE GRN/RED WIRE HEATER HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES HOT W/ HOT W/ TERMINAL 15 RELAY ENERGIZED INDEPENDENT HEATING CIRCUIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) MIXING AIR CONTROL SOLAR SENSOR (TOP CENTER OF DASH) NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT FRESH AIR GRILLE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER VENTILATION TEMPERATURE SENSOR (CENTER OF DASH) WATER VALVE (LEFT SIDE OF AUXILIARY WATER PUMP) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

1 14 7 8 CAN LOW CAN HI 12 26 LIN BUS SIG E-BOX SIG 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) EAC SENSOR (BEHIND RADIATOR) ELEC FAN ELECTRIC COOLANT PUMP (3.0L, 3.0L TURBO, 3.0L TWIN TURBO) (REAR OF ENGINE) ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN 400 WATT ELECTRIC FAN 600 WATT 2 3 4 ELECTRIC FAN 850 WATT ENGINE COOLANT TEMPERATURE SENSOR (3.0L, TURBO: REAR OF ENGINE) FUSE FUSE 7 FUSE 3 HOT AT ALL TIMES HOT AT HOT AT ALL ALL TIMES TIMES ENGINE ELECTRONICS FUSE CARRIER (RIGHT PLENUM HOT W/ DME RELAY ENERGIZED HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM RADIATOR SHUTTER DRIVE UNIT (3.0L, 3.0L TURBO, 3.0L TWIN TURBO) RADIATOR SHUTTER SOLENOID RED WIRE RED/BLU WIRE RED/GRN WIRE SYSTEM VIO WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE YEL/WHT WIRE

BLK WIRE BLU/YEL WIRE BRN WIRE BUMPER AERIAL CONTACT FREE TAILGATE OPENING EVALUATION ELECTRONICS CONTACT-FREE TAILGATE OPENING LOWER SENSOR CONTACT-FREE TAILGATE OPENING UPPER SENSOR FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FUSE 150 GRY/BLK WIRE GRY/RED WIRE HOT W/ BISTABLE RELAY ENERGIZED POWER DISTRIBUTION SYSTEM REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED/GRY 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

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

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