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

2.0L TURBO 3.0L TURBO BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE CAN-BUS COMPUTER DATA LINES SYSTEM ELECTRONIC TRANSMISSION CONTROL ELECTRONIC TRANSMISSION CONTROL AUTOMATIC TRANSMISSION EXTERIOR LAMPS CIRCUIT FRONT ELECTRONIC MODULE FRONT POWER DISTRIBUTION BOX FUSE 57 GEAR SELECT SWITCH GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES LEFT INNER TAILLIGHT LH REV SW M/T ORG/GRN WIRE REAR ELECTRONIC MODULE RED WIRE RED/BLU WIRE REV GEAR SW REVERSE REVERSING GEAR SWITCH RH REV LT RIGHT END OF DASH) RIGHT INNER TAILLIGHT TERM 30 TOP OF ENGINE) TWIN-CLUTCH GEAR BOX YEL WIRE

ACC GND ACC SIG ACC SPLY ACCELERATOR PEDAL MODULE ACTIVE CRUISE CONTROL BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE BRN/GRN WIRE CLUTCH MODULE (M/T) CLUTCH SIG COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONICS ELECTROMOTIVE THROTTLE ACTUATOR (ON THROTTLE BODY) ELECTRONIC STEERING WHEEL MODULE FRONT ELECTRONIC MODULE FRONT POWER DISTRIBUTION BOX FUSE 10 FUSE 21 FUSE 45 GRN WIRE GRY/GRN WIRE GRY/WHT WIRE HOT W/ HOT W/ IGNITION, FUEL INJECTION RELAY ENERGIZED INSTRUMENT CLUSTER CONTROL UNIT INTEGRATED SUPPLY MODULE LEFT FOOTWELL) LEFT STEERING WHEEL MULTI-FUNCTION SWITCH BLOCK MTR GND MTR SIG (-) MTR SPLY NCA WIRE PMW-BFI PT CAN H PT CAN L RED WIRE RED/GRN WIRE RELAY ENERGIZED RIGHT END OF DASH) RIGHT STEERING WHEEL MULTI-FUNCTION SWITCH BLOCK SEATS SYSTEM SPLY TERM 87 STEERING COLUMN SWITCH CLUSTER TOP OF ENGINE) WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

ACCENT LIGHT BLU/BRN (OR BLU) WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIRECTION IND DRIVER EXTERIOR MIRROR FRONT PASSENGER EXTERIOR MIRROR FRONT POWER DISTRIBUTION BOX FUSE 100 FUSE 40 HOT AT ALL TIMES LEFT FOOTWELL) LEFT FRONTAL LIGHT ELECTRONICS LEFT HEADLIGHT REAR FUSE HOLDER RED/BLK WIRE RIGHT FRONTAL LIGHT ELECTRONICS RIGHT HEADLIGHT SIDE LIGHTS/DAYTIME DRIVING LIGHTS LED MODULE SIDE MARKER LIGHT SIDE REPEATER LAMP TURN INDICATOR/ SIDE MARKER LIGHT LED MODULE WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/RED WIRE

ACCENT LIGHT BLK/BLU WIRE BLK/GRN WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIRECTION DRIVER EXTERIOR MIRROR FRONT PASSENGER EXTERIOR MIRROR FUSE 149 GRY WIRE GRY/YEL WIRE HEADLIGHT DRIVER MODULE HOT W/ BI-STABLE RELAY ENERGIZED LEFT FOOTWELL) LEFT HEADLIGHT REAR FUSE HOLDER RED/GRY WIRE RED/WHT WIRE RIGHT HEADLIGHT SIDE LIGHTS SIDE LIGHTS/DAYTIME DRIVING LIGHTS LED MODULE SIDE MARKER LIGHT SIDE REPEATER LAMP TURN INDICATOR W/O XENON HEADLIGHT W/ XENON HEADLIGHT WHT WIRE WHT/RED WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AERIAL SIG AERIAL SIG (PINS: 13 TO 26 NOT USED) AIR CONDITIONING SYSTEM AMBIENT LIGHT ANTI-THEFT SYSTEM ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS AUX WATER PUMP BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE BUS SIG BUS SIG DIAG COMPUTER DATA LINES SYSTEM COOLANT LEVEL SENS COURTESY LIGHT CTRL VALVE DATA LINE DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DR CONT SIG DR HANDLE MOD SIG DR HANDLE MOD SIG (PINS: 35 TO 44 NOT USED) ENG START SIG ENGINE CONTROLS SYSTEM FRONT ELECTRONIC MODULE FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FUSE 504 FUSE BOX GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HI BEAM LIGHT HI RANGE HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHT) INTR LIGHT INTR LT- K CAN BUS LIN BUS LIN BUS SIG LO BEAM LIGHT LOCATOR LIGHTING LOCK SIG MAG CLUTCH ORG/ WIRE ORG/GRN WIRE PNK WIRE PNK/BLU WIRE PNK/RED WIRE PNK/WHT WIRE PT CAN BUS PT CAN H PT CAN L REAR LID BUTTON RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RIGHT END OF DASH) SENS SIG SPLY STARTING/CHARGING SYSTEM SW SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO/BLU WIRE VIO/GRN WIRE WAKE-UP WASHER PUMP WATER VALVE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIND WIPER WIPER WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

AERIAL SIG AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM AUC SENS BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRK LT SW SIG BRK SW BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE BUS SIG CEN LOCK DRIVE CLUTCH MOD COMFORT ACCESS COMPUTER DATA LINES SYSTEM CRUISE CONTROL, STARTING/ CHARGING SYSTEMS CRUISE CONTROL, STARTING/CHARGING SYSTEMS DEFOGGER, MEMORY SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS DRIVE ACTIVATION ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS FRONT ELECTRONIC MODULE FRONT POWER DISTRIBUTION BOX FUSE 57 GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HALL SENS SIG HAZ WARN LT SW HEADLIGHTS SYSTEM HI BEAM HOT AT ALL TIMES IND LAMP INTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER, ANTI-LOCK BRAKES SYSTEMS INTR LIGHT INTR LIGHTS JET HEATER LEFT FOG LIGHTS LEFT SIG LIGHT LIGHT ACT LIN BUS LIN BUS SIG LO BEAM MIRROR HEATER NEGATIVE CONN POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM PRESS SENS PWR SLPY PWR SPLY PWR WIND DRIVE RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY ACT REV GEAR SW RIGHT END OF DASH) RIGHT FOG LIGHTS RIGHT SIG LIGHT SENS GROUND SENS SIG SENS SPLY SHUTTER ACT SIDE LIGHT ACT SUPPLEMENTAL RESTRAINTS SYSTEM SW SIG TERMINAL 15 SPLY TERMINAL 30 TRUNK, TAILGATE, FUEL DOORS SYSTEM VENTILATION GRILLE VIO WIRE VIO/YEL WIRE WARNING, DOOR LOCKS, ANTI-THEFT SYSTEMS WASHER LVL SENS WASHER PUMP WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WINDOW SW WIPER/WASHER SYSTEM YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

AERIAL SIG AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT, DOOR LOCKS, INTERIOR LIGHTS SYSTEMS ANTI-THEFT, DOOR LOCKS, TRUNK, TAILGATE, FUEL DOORS SYSTEMS ARREST BUTTON BISTABLE RELAY BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA LINE DOOR LOCKS, ANTI-THEFT SYSTEMS FRONT ELECTRONIC MODULE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GROUND GRY WIRE GRY/RED WIRE HEAD UP DISP HORNS SYSTEM INSTRUMENT CLUSTER SYSTEM LED ACTIVATION LIGHT SW LIN BUS SIG LOCATOR LIGHT NAVIGATION SYSTEM ORG/GRN WIRE OUT SIDE TEMP SIG POSITION SW POWER DISTRIBUTION SYSTEM PT CAN H PT CAN L PWR SPLY REAR FUSE HOLDER RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) SHIFT SIG SOUND SYSTEMS START SIG START STOP STARTING/CHARGING, ANTI-THEFT SYSTEMS TERMINAL 15 TERMINAL 30 VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

& 9 2.0L TURBO DIESEL ALTERNATOR AUXILIARY BATTERY BATTERY BLK WIRE BLOWER OUTPUT STAGE BLU WIRE BLU/BLK WIRE BRN WIRE CHARGING CONTROLLER FOR AUXILIARY BATTERY COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) ELECTRIC FAN CUT OUT RELAY ELECTRIC- MACHINE ELECTRONICS ELECTRO- MECHANICAL POWER STEERING ENGINE COMPARTMENT POWER DISTRIBUTION BOX FROM REAR FUSE HOLDER (DIAGRAM 3 OF 6) FRONT ELECTRIC AUXILIARY HEATER FUEL FILTER HEATING FUSE 400 FUSE 401 FUSE 402 FUSE 403 FUSE 404 FUSE 405 FUSE 500 FUSE 501 FUSE 502 FUSE 504 FUSE 506 FUSE 600 FUSE 615 FUSE BOX FUSE BOX 2 FUSE HOLDER GRN WIRE HIGH VOLTAGE SAFETY CONNECTOR INTELLIGENT BATTERY SENSOR INTELLIGENT BATTERY SENSOR 2 JUMP START TERMINAL POINT NCA WIRE PREHEATING CONTROL UNIT RED WIRE SAFETY BATTERY TERMINAL FOR STARTER UNIT GAS GENERATOR SAFETY BATTERY TERMINAL GAS GENERATOR STARTER TO FRONT ELECTRONIC MODULE (DIAGRAM 4 OF 6) TO FRONT POWER DISTRIBUTION BOX (DIAGRAM 6 OF 6) TO FUSE 503 (DIAGRAM 5 OF 6) TO REAR ELECTRONIC MODULE (DIAGRAM 5 OF 6) TO REAR FUSE HOLDER (DIAGRAM 3 OF 6) VIO WIRE WHT WIRE

ANTI-THEFT, DOOR LOCKS SYSTEMS AUX BRK LIGHT BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BOOT LID BUTTON BOOT LID CONTACT BRK LIGHT BRK LIGHT ACT BRK LIGHT SW SIG BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL LCK DRIVE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS EXTERIOR LIGHTS, HEADLIGHTS SYSTEMS DEFOGGER SYSTEM FUEL LVL SENS SIG FUEL LVL SENS SIG 2 FUSE 153 FUSE 161 FUSE 500 FUSE BOX GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HALL SENS HALL SENS SIG HAZ WRNG LIGHT SW HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT W/ IND LAMP INDICATOR LAMP INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS, DOOR LOCKS, ANTI-THEFT, TRUNK, TAILGATE, FUEL DOORS SYSTEMS K-CAN BUS SIG LEFT TURN LIGHT LH DYNAMIC BRK LH REVERSING LIGHT LH TAIL LIGHT LICENCE PLATE LIGHT LIN BUS SIG LUGG COMPT LIGHT NAVIGATION SYSTEM POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM PWR WINDOW DRIVE PWR WINDOW SW REAR ELECTRONIC MODULE REAR FUSE HOLDER REAR WIPER SPLY RED WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RELAY ENERGIZED RESET CONTACT SIG RH DYNAMIC BRK RH REVERSING LIGHT RH TAIL LIGHT RIGHT TURN LIGHT ROLL SUN BLIND SENS GROUND SENS PWR SPLY SOFT-CLOSE DRIVE SPLY SW SIG TAIL- LIGHT TERMINAL 15 TERMINAL 30 TRUNK, TAILGATE, FUEL DOORS SYSTEM ULTRASONIC SENS WHT/BRN WIRE WHT/GRN WIRE WHT/YEL WIRE WINDOW DEFOGGER WINDOW LCK WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

AIR BAG ACT NEG AIR BAG ACT POS 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/WHT WIRE COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE (LEFT FRONT OF CENTER CONSOLE) DRIVER RETRACTOR TENSIONER DRIVER'S AIR BAG GAS GENERATOR FRONT PASSENGER AIR BAG GAS GENERATOR FRONT PASSENGER KNEE AIR BAG GAS GENERATOR FRONT PASSENGER RETRACTOR TENSIONER GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/VIO WIRE GRY/YEL WIRE LEFT FRONT SEAT BELT FORCE LIMITER GAS GENERATOR NCA WIRE PEDSTRN ACT NEG PEDSTRN ACT POS PEDSTRN SENS POS RED WIRE RIGHT FRONT SEAT BELT FORCE LIMITER GAS GENERATOR STEERING COLUMN SWITCH CLUSTER TRG ACT NEG TRG ACT POS VIO/GRN WIRE VIO/WHT WIRE W-UP TERM 15 WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE