BMW 3 series F30/F31 facelift (2015-2020) computer data lines system Wiring diagrams

BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRAKE LIGHT SWITCH BRAKE PEDAL TRAVEL SENSOR BRK SW BRK SW SIG BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUS SIG CENTER CONSOLE CONTROL PANEL COMPUTER DATA LINES SYSTEM DTC BUTTON SIG DYNAMIC STABILITY CONTROL (DSC) ENGINE COMPARTMENT POWER DISTRIBUTION BOX FLEXRAY FLEXRAY BUS SIG FRONT ELECTRONIC MODULE FRONT POWER DISTRIBUTION BOX FUNCTION LIGHT FUSE 29 FUSE 404 FUSE 58 GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ INTEGRATED CHASSIS MANAGEMENT LEFT FOOTWELL) LEFT FRONT BRAKE PAD WEAR SENSOR LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR NCA WIRE PARKING PARKING BRAKE SWITCH PNK/BLK WIRE PNK/BLU WIRE POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT END OF DASH) RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR BRAKE PAD WEAR SENSOR RIGHT REAR WHEEL SPEED SENSOR SIG SPD SIG STEERING COLUMN SWITCH CLUSTER SW SIG TERMINAL 30 TRAVEL SENS SIG VIO WIRE VOLT SPLY WAKE UP SIG WARNING SIG WEAR SIG YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BONNET CONTACT SWITCH BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAN L CENTRAL LOCKING DRV ACT COMPUTER DATA LINES SYSTEM CONTACT SIG DR CONTACT SIG DRIVER'S DOOR LOCK EARLY PRODUCTION ELECTRONICS JUNCTION BOX FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT PASSENGER'S DOOR LOCK FUSE 103 FUSE 104 FUSE 5 FUSE 500 FUSE 504 FUSE 7 FUSE BOX GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOTEL POS SW INTERIOR REAR LID BUTTON LATE PRODUCTION LEFT FOOTWELL) LIN BUS SIG LOCATING LAMP MECHANISM SIG NCA WIRE POWER DISTRIBUTION SYSTEM REAR FUSE HOLDER RED WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE REMOTE CONTROL RECEIVER SIG SIREN W/ TILT ALARM SENSOR SW SIG TERM 30 SPLY VIO WIRE VIO/GRN WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/VIO WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/GRN 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 FUSE 22 FUSE 504 HOT AT ALL TIMES FUSE BOX HOT W/ K-CAN 2 BUS LEFT FOOTWELL) LIN BUS SIG MIRROR HEATING RED WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED SUPPLY WHT/BRN WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER EXTERIOR MIRROR DRIVER'S DOOR SWITCH BLOCK FRONT ELECTRONIC MODULE FRONT PASSENGER EXTERIOR MIRROR FRONT POWER DISTRIBUTION BOX FUSE 22 FUSE 504 FUSE BOX GRN/YEL WIRE HOT AT ALL TIMES HOT W/ TERMINAL K-CAN 2 BUS LEFT FOOTWELL) LIN BUS SIG MIRR HEATER MIRROR HEATING RED WIRE RED/GRY WIRE RIGHT END OF DASH) SUPPLY YEL/BRN WIRE YEL/RED WIRE

BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 116 FUSE 117 FUSE 152 GROUND HOT AT ALL TIMES HOT W/ LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL PT CAN H PT CAN L REAR FUSE HOLDER RED WIRE RED/BRN WIRE RELAY ENERGIZED RIGHT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL TERM 30 SPLY

BLU WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM FRONT POWER DISTRIBUTION BOX FUSE 20 FUSE 28 FUSE 62 GRN WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ POWER DISTRIBUTION SYSTEM RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RELAY ENERGIZED ROOF FUNCTION CENTER SLIDE/TILT SUNROOF DRIVE UNIT (FRONT OF SUNROOF) SUNROOF SHADE DRIVE (SPORTS WAGON, GT) WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER POWER WINDOW DRIVE DRIVER'S DOOR SWITCH BLOCK DRIVER'S SIDE REAR POWER WINDOW DRIVE DRIVER'S SIDE REAR POWER WINDOW SWITCH EXCEPT GT GT FRONT ELECTRONIC MODULE FRONT POWER DISTRIBUTION BOX FUSE 22 FUSE 4 FUSE 6 FUSE 83 FUSE 84 GRN WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT FOOTWELL) PASSENGER POWER WINDOW DRIVE PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S SIDE REAR POWER WINDOW DRIVE PASSENGER'S SIDE REAR POWER WINDOW SWITCH POWER DISTRIBUTION SYSTEM REAR ELECTRONIC MODULE RED/GRY WIRE RELAY ENERGIZED RIGHT END OF DASH) WHT/BRN WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/GRN WIRE

BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 80 HEATING/AIR CONDITIONING SYSTEM HOT AT ALL TIMES NCA WIRE REAR ELECTRONIC MODULE REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER REJECTOR CIRCUIT REAR WINDOW DEFOGGER REJECTOR CIRCUIT 2 REAR WINDOW DEFOGGER RELAY RED WIRE SEDAN SPORTS WAGON YEL WIRE YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR SWITCH BLOCK FRONT ELECTRONIC MODULE FRONT POWER DISTRIBUTION BOX FUSE 22 FUSE 57 FUSE 85 HOT AT ALL TIMES HOT W/ LEFT FOOTWELL) NCA WIRE POWER DISTRIBUTION SYSTEM REAR ELECTRONIC MODULE REAR WINDOW ROLLER SUNBLIND DRIVE RED WIRE RED/BLU WIRE RED/GRY WIRE RELAY ENERGIZED RIGHT END OF DASH) WHT/BRN WIRE YEL/BRN WIRE YEL/RED WIRE

AIR BAG ACT NEG CON AIR BAG ACT POS CON AIR BAG INDICATOR LAMP AIR BAG SENS AIR BAG SENS NEG CON AIR BAG SENS POS CON BELT TEN ACT NEG CON BELT TEN ACT POS CON BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE CENTER PEDESTRIAN SENSOR COMBOX COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE (LEFT FRONT OF CENTER CONSOLE) CRASH SIG EMERGENCY CALL SIG EXCEPT GT FRONT PASSENGER SIDE AIR BAG GAS GENERATOR FRONT POWER DISTRIBUTION BOX FUSE 20 GRN WIRE GRN/YEL WIRE GROUND GRY/YEL WIRE HALL SENS SIG HOT AT ALL TIMES LEFT FRONT AIR BAG SENSOR LEFT FRONT DOOR AIR BAG SENSOR LIN BUS SIG ORG/GRN WIRE PASS AIR BAG ACT PASS SEAT OCC DET PASSENGER SEAT BELT TENSIONER GAS GENERATOR PDSTRN PROCT SENS NEG PT-CAN BUS SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RIGHT FRONT AIR BAG SENSOR RIGHT FRONT DOOR AIR BAG SENSOR ROOF FUNCTION CENTER SAFETY BATTERY TERMINAL FOR STARTER UNIT GAS GENERATOR SAFETY BATTERY TERMINAL GAS GENERATOR SIG SEAT BELT BUCK CON SUPPLY, TERMINAL 30 TELEMATIC COMMUNICATION BOX VIO WIRE VIO/GRY WIRE VIO/YEL WIRE W/ OPTIONAL EXTRAS WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE