BMW 3 series F30/F31 (2011-2015) computer data lines system Wiring diagrams

ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 22 FUSE 65 FUSE 63 GEAR INDICATOR LIGHT GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES JUNCTION BOX LEFT MULTI- FUNCTION STEERING WHEEL SWITCH BLOCK LEFT ROCKER SWITCH NCA WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT MULTI-FUNCTION STEERING WHEEL SWITCH BLOCK RIGHT ROCKER SWITCH SELECTOR LEVER POSITION SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) SHIFT LOCK SELECTOR LEVER LOCK (BASE OF SHIFT LEVER ASSEMBLY) STEERING COLUMN SWITCH CLUSTER STEPTRONIC SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) TRANSMISSION CONTROL (BOTTOM OF TRANSMISSION) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE

ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 22 FUSE 65 FUSE 63 GEAR INDICATOR LIGHT GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES JUNCTION BOX LEFT MULTI- FUNCTION STEERING WHEEL SWITCH BLOCK LEFT ROCKER SWITCH NCA WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT MULTI-FUNCTION STEERING WHEEL SWITCH BLOCK RIGHT ROCKER SWITCH SELECTOR LEVER POSITION SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) SHIFT LOCK SELECTOR LEVER LOCK (BASE OF SHIFT LEVER ASSEMBLY) STEERING COLUMN SWITCH CLUSTER STEPTRONIC SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) TRANSMISSION CONTROL (BOTTOM OF TRANSMISSION) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT 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

AIR BAG ACT POS AIR BAG ACT NEG AIR BAG ACT POS AIR BAG ACT NEG AIR BAG ACT NEG AIR BAG ACT POS BELT TENS ACT POS BELT TENS ACT NEG BELT TENS ACT NEG BELT TENS ACT POS BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE (REAR OF CENTER CONSOLE) DRIVER RETRACTOR TENSIONER DRIVER'S AIR BAG INFLATOR ASSEMBLY DRIVER'S KNEE AIR BAG INFLATOR ASSEMBLY FRONT PASSENGER RETRACTOR TENSIONER GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT FRONT SEAT BELT FORCE LIMITER GENERATOR LEFT HEAD AIR BAG INFLATOR ASSEMBLY (LEFT HEADLINER) NCA WIRE PASSENGER'S KNEE AIR BAG INFLATOR ASSEMBLY PASSENGER'S SIDE AIR BAG INFLATOR ASSEMBLY (RIGHT SIDE OF PASSENGER SEAT BACK) RED WIRE RIGHT FRONT SEAT BELT FORCE LIMITER GENERATOR SAFETY BATTERY TERMINAL 2 ALTERNATOR (HYBRID) STEERING COLUMN SWITCH CLUSTER TRG ACT NEG TRG ACT POS TRG ACT POS TRG ACT NEG VIO/GRN WIRE VIO/WHT WIRE W-UP TER 15 WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

2.0L TURBO BLK WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC STEERING WHEEL MODULE (IN STEERING WHEEL) ELECTRONIC TRANSMISSION CONTROL (INSIDE BOTTOM OF TRANSMISSION) EXCEPT 2.0L TURBO FANFARE HORN BUTTON FRONT POWER DISTRIBUTION BOX FUSE 54 FUSE 24 (RIGHT REAR OF ENGINE COMPT) GEAR SELECTOR SWITCH GRN WIRE GRN/RED WIRE GRY WIRE HOT W/ TERMINAL LEFT SHIFT PADDLE RED WIRE RED/GRY WIRE RIGHT MULTI-FUNCTION STEERING WHEEL SWITCH BLOCK RIGHT SHIFT PADDLE STEERING COLUMN SWITCH CLUSTER WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONVERTIBLE COUPE COUPE FUEL FILLER FLAP CENTRAL LOCKING DRIVE FUSE 72 FUSE 73 GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOTEL SWITCH (COUPE) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT REAR LID LOCK SWITCH (CONVERTIBLE) ORG/GRN WIRE REAR LID RELEASE SWITCH (INTERIOR) RIGHT REAR LID LOCK SWITCH (CONVERTIBLE) TRUNK LID BUTTON TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) WHT/BRN WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/RED WIRE

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

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

BRN/BLK WIRE COMPUTER DATA LINES SYSTEM FUSE 132 GRN WIRE HOT W/ TERMINAL ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED/WHT WIRE TIRE PRESSURE CONTROL (RDC) (RIGHT SIDE OF REAR COMPT)

22 23 35 36 OUT TEMP SIG OUT TEMP SIG PT-CAN BUS PT-CAN BUS 23 24 WIND WIPERS WASHER PUMP 33 34 36 22 OUT SENS SIG OUT SENS SIG RESET CTRL SIG WIND WIPERS 41 3 48 36 LIN BUS SIG WASH-NOZZLE WASHER PUMP WASHER PUMP BLK WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BOX (RIGHT REAR OF ENGINE COMPT) BRN WIRE BRN/BLK WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM FEM FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT POWER DISTRIBUTION FUSE FUSE BOX GRN/BLK WIRE GRY WIRE GRY/VIO WIRE HEADLIGHT WASHER PUMP (BEHIND RIGHT FRONT WHEEL) HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT LEFT WASHER NOZZLE HEATER LEVEL SENS OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) RAIN/LIGHT/ CONDENSATION/SOLAR SENSOR (TOP CENTER OF DASH) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED FUSE 28 RIGHT WASHER NOZZLE HEATER TERM 30 SUPPLY VIO WIRE WASHER FLUID LEVEL SENSOR WINDSHIELD WIPERS