BMW 3 series G20/G21 facelift (2022-2024) computer data lines system Wiring diagrams

AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BLU/VIO WIRE BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ELECTRONIC SUSPENSION SYSTEM ENGINE CONTROLS SYSTEM FUSE 26 FUSE 39 GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, WIPER/WASHER SYSTEM HORNS SYSTEM HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT POWER DISTRIBUTION BOX SOUND SYSTEMS STARTING/CHARGING SYSTEM VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS FUSE 504 FUSE BOX GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM ORG/ WIRE POWER DISTRIBUTION SYSTEM RED WIRE SEATS SYSTEM STARTING/CHARGING, ANTI-THEFT SYSTEMS TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE

AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS, STARTING/CHARGING SYSTEMS EXTERIOR LIGHTS, HEADLIGHTS, INTERIOR LIGHTS SYSTEMS EXTERIOR LIGHTS, HORNS SYSTEMS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HORNS SYSTEM INSTRUMENT CLUSTER SYSTEM NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PNK/BLU WIRE POWER WINDOWS SYSTEM RED WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE SEATS SYSTEM SOUND SYSTEMS TRANSMISSIONS SYSTEM VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

3.0L TURBO 3.0L TURBO M3 BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BOTTOM RADIATOR BLIND DRIVE BRN WIRE COMPUTER DATA LINES SYSTEM COOLANT EXPANSION TANK SHUTOFF VALVE COOLANT TEMPERATURE SENSOR CRANKCASE COOLANT SHUTOFF VALVE CRANKCASE TEMPERATURE SENSOR DIGITAL MOTOR ELECTRONICS ELECTRIC FAN ELECTRIC FAN CUT-OFF RELAY ENGINE COMPARTMENT POWER DISTRIBUTION BOX EXCEPT 3.0L TURBO FUSE 1 FUSE 14 FUSE 2 FUSE 3 FUSE 400 FUSE 5 FUSE 6 FUSE 69 FUSE 70 FUSE 9 GRN WIRE GRN/RED WIRE GRY WIRE HEAT MANAGEMENT MODULE HOT AT ALL TIMES HOT W/ HOT W/ DME MAIN RELAY ENERGIZED HOT W/ POWER SUPPLY SENSORS/ ACTUATORS RELAY ENERGIZED HOT W/ VALVETRONIC RELAY ENERGIZED INTEGRATED SUPPLY MODULE LOW TEMPERATURE COOLANT CIRCUIT COOLANT PUMP LOW TEMPERATURE COOLANT CIRCUIT COOLANT PUMP 2 MAP THERMOSTAT RADIATOR OUTLET TEMPERATURE SENSOR RED WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX RIGHT SIDE OF RADIATOR) TOP RADIATOR BLIND DRIVE TURBOCHARGER COOLANT PUMP VIO WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

ANTI-THEFT ALARM SYSTEM LED ANTI-THEFT SYSTEM BRN/BLK WIRE COMPUTER DATA LINES SYSTEM ELECTROCHROMIC INTERIOR MIRROR FUSE 59 GRY WIRE GRY/BLK WIRE HIGH BEAM ASSISTANT SENSOR, CONTROL HOT W/ RED/BLU WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX YEL/BLK WIRE YEL/WHT WIRE

BRN/BLK WIRE COMPUTER DATA LINES SYSTEM FUSE 244 GRN WIRE HOT AT ALL TIMES LEFT FRONT WHEEL ELECTRONICS SYSTEM LEFT REAR WHEEL ELECTRONICS SYSTEM REAR POWER DISTRIBUTION BOX RED WIRE REMOTE CONTROL RECEIVER (CENTER OF REAR SHELF) RIGHT FRONT WHEEL ELECTRONICS SYSTEM RIGHT REAR WHEEL ELECTRONICS SYSTEM YEL WIRE

BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BODY DOMAIN CONTROLLER BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM FUSE 3 GRY WIRE HOT AT ALL TIMES RAIN/LIGHT/ SOLAR CONDENSATION SENSOR RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE VIO WIRE WASHER FLUID LEVEL SENSOR WINDSHIELD WASHER PUMP WIPER DRIVE (LEFT SIDE OF WINDSHIELD)

BLK/BLU WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/RED WIRE CHARGING SOCKET CENTRAL LOCKING DRIVE CHARGING SOCKET COVER CENTRAL LOCKING ACTUATOR CHARGING STATUS DISPLAY COMPUTER DATA LINES SYSTEM FUSE 280 GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRY/BLU WIRE GRY/VIO WIRE GRY/YEL WIRE HOT W/ HYBRID PRESSURE REFUELING ELECTRONIC CONTROL UNIT (RIGHT SIDE OF LUGGAGE COMPT) ORG/ WIRE REAR POWER DISTRIBUTION BOX RED/VIO WIRE RELAY ENERGIZED VIO/BLU WIRE VIO/BRN WIRE VIO/GRN WIRE VIO/RED WIRE VIO/YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

ACCELERATOR PEDAL MODULE BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DIGITAL MOTOR ELECTRONICS (LEFT REAR OF ENGINE) ELECTRICAL EXHAUST FLAP FUSE 203 GASOLINE PARTICULATE FILTER EXHAUST GAS PRESSURE SENSOR GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT W/ LIN POWER DISTRIBUTION BOX PNK/BLU WIRE REAR POWER DISTRIBUTION BOX RED WIRE RED/GRY WIRE RED/VIO WIRE RELAY ENERGIZED VIO WIRE VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/WHT WIRE

BATTERY BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONICS (LEFT REAR OF ENGINE) ENGINE COMPARTMENT POWER DISTRIBUTION BOX GRN WIRE GRN/RED WIRE GRY WIRE GRY/VIO WIRE GRY/WHT WIRE JUMP START TERMINAL NATURAL VACUUM LEAK DETECTION NCA WIRE ON BATTERY) PNK/BLU WIRE POSITION SENSOR PRESSURE SWITCH PURGE AIR LINE SHUTOFF VALVE RED WIRE RED/GRY WIRE SAFETY BATTERY TERMINAL GAS GENERATOR TRANSFER TERMINAL POINT VALVETRONIC SERVOMOTOR (TOP LEFT SIDE OF ENGINE) VIO WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/WHT WIRE