BMW 3 series G20/G21 facelift (2022-2024) relay energized Wiring diagrams

3.0L TURBO AIR CONDITIONING COMPRESSOR AUTOMATIC REAR AIR CONDITIONING OPERATING FACILITY BATTERY MANAGEMENT ELECTRONICS BLK WIRE BLK/WHT WIRE BLOWER MOTOR W/ OUTPUT STAGE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE BRN/WHT WIRE CONTROL VALVE EXCEPT 3.0L TURBO FUSE 262 GRN WIRE GRY/RED WIRE HIGH VOLTAGE BATTERY UNIT REFRIGERANT SHUTOFF VALVE HIGH-VOLTAGE BATTERY UNIT HOT W/ LEFT FRONT VENTILATION GRILLE LEFT FRONT VENTILATION TEMPERATURE SENSOR MAGNETIC COUPLING NCA WIRE REAR POWER DISTRIBUTION BOX RED WIRE RED/BLU WIRE RED/GRY WIRE RELAY ENERGIZED RIGHT FRONT VENTILATION GRILLE RIGHT FRONT VENTILATION TEMPERATURE SENSOR VIO WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

AUTOMATIC AIR RECIRCULATION CONTROL SENSOR BLK WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE ELECTRICAL MACHINE ELECTRONICS EVAPORATOR TEMPERATURE SENSOR FUSE 204 FUSE 40 GRN WIRE HOT AT ALL TIMES HOT W/ LEFT FOOTWELL TEMPERATURE SENSOR ORG/ WIRE PASSENGER COMPARTMENT REFRIGERANT SHUTOFF VALVE REAR POWER DISTRIBUTION BOX REAR SEAT FOOTWELL TEMPERATURE SENSOR RED WIRE RED/BLU WIRE RELAY ENERGIZED RIGHT FOOTWELL TEMPERATURE SENSOR RIGHT FRONT POWER DISTRIBUTION BOX VIO WIRE WHT WIRE YEL WIRE

3.0L TURBO 3.0L TURBO M3 BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE 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 (FRONT OF ENGINE COMPT) 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 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

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE DRIVER'S DOOR ENTRY LIGHTING FRONT CENTER ARMREST LIGHT FUSE 254 FUSE 36 FUSE 504 FUSE 61 FUSE 62 FUSE 66 FUSE 68 FUSE BOX GLOVE BOX LIGHT SWITCH GLOVE COMPARTMENT LIGHT GRY WIRE HOT AT ALL TIMES HOT W/ LEFT FRONT FOOTWELL LIGHT LIGHT OPERATING UNIT REAR DRIVER'S SIDE DOOR SILL COURTESY LIGHT REAR DRIVER'S SIDE FOOTWELL LIGHT REAR INTERIOR LIGHT REAR POWER DISTRIBUTION BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX RIGHT ILLUMINATED CARPET ROOF FUNCTION CENTER VIO/BLU WIRE VIO/GRN WIRE VIO/YEL WIRE W/O INTERIOR LIGHT PACKAGE YEL WIRE YEL/BLK WIRE

BLU WIRE BRN WIRE BRN/BLK WIRE DASHBOARD LIGHTING DASHBOARD LIGHTING 2 DASHBOARD LIGHTING 3 DRIVER'S DOOR COURTESY LIGHTS DRIVER'S DOOR INSIDE HANDLE LIGHT DRIVER'S DOOR POCKET LIGHTING FRONT PASSENGER BACKREST TRIM LIGHTING FRONT PASSENGER'S DOOR COURTESY LIGHTS FUSE 250 FUSE 67 GRN WIRE GRN/GRY WIRE GRY WIRE GRY/YEL WIRE HOT W/ LEFT FRONT FOOTWELL LIGHT LIGHT LIGHT SOURCE 5 REAR PASSENGER SIDE COURTESY LIGHT REAR PASSENGER'S SIDE FOOTWELL LIGHT REAR POWER DISTRIBUTION BOX RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RELAY ENERGIZED RIGHT FRONT FOOTWELL LIGHT RIGHT FRONT POWER DISTRIBUTION BOX SOURCE 1 SOURCE 2 SOURCE 3 SOURCE 4 SOURCE 6 SOURCE 7 SOURCE 8 TOP DRIVER'S DOOR TRIM PANEL LIGHTING W/ CFRP SEAT W/O CFRP SEAT WHT WIRE WHT/VIO WIRE YEL WIRE YEL) RED/BRN WIRE YEL/BLU WIRE

BRN WIRE FRONT PASSENGER INSIDE DOOR HANDLE LIGHT FRONT PASSENGER'S DOOR POCKET LIGHTING FUSE 71 GRN WIRE GRY WIRE HOT W/ LEFT "C" PILLAR) LIGHT LIGHT SOURCE 10 LIGHT SOURCE 3 LIGHT SOURCE 4 LIGHT SOURCE 5 LIGHT SOURCE 6 REAR DRIVER'S SIDE DOOR POCKET LIGHTING REAR DRIVER'S SIDE FOOTWELL LIGHT REAR DRIVER'S SIDE INSIDE DOOR HANDLE LIGHT REAR PASSENGER'S SIDE DOOR POCKET LIGHTING REAR PASSENGER'S SIDE INSIDE DOOR HANDLE LIGHT RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX SOURCE 1 SOURCE 11 SOURCE 12 SOURCE 2 SOURCE 9 TOP FRONT PASSENGER DOOR TRIM PANEL LIGHTING TOP REAR DRIVER'S SIDE DOOR TRIM PANEL LIGHTING TOP REAR PASSENGER DOOR TRIM PANEL LIGHTING W/ CFRP SEAT W/O CFRP SEAT WHT WIRE WHT/VIO WIRE YEL/BLU WIRE

ACCELERATOR PEDAL MODULE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BODY DOMAIN CONTROLLER BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE BRN/GRN WIRE CENTER CONSOLE CONTROL CLUTCH MODULE (M/T) COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONICS ELECTROMOTIVE THROTTLE ACTUATOR FUSE 14 FUSE 208 FUSE 70 GEAR SELECTOR SWITCH GRN WIRE GRN/RED WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM HOT W/ HOT W/ VALVETRONIC RELAY ENERGIZED INTEGRATED SUPPLY MODULE LEFT MULTI-FUNCTION STEERING COLUMN SWITCH CLUSTER LONG- DISTANCE RANGE FRONT RADAR SENSOR HEATING LONG-DISTANCE RANGE FRONT RADAR SENSOR NCA WIRE OPTIONAL EQUIPMENT SYSTEM REAR POWER DISTRIBUTION BOX RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX RIGHT MULTI-FUNCTION STEERING WHEEL SWITCH CLUSTER STEERING COLUMN SWITCH CLUSTER WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

AUTOMATIC A/C CIRCUIT AUXILIARY HEATER COOLANT CHANGEOVER VALVE AUXILIARY HEATER FUEL METERING PUMP AUXILIARY HEATER RECIRCULATING PUMP BLK WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE FUSE 54 HOT W/ INDEPENDENT AUXILIARY HEATER RED WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX WHT/BRN WIRE YEL WIRE YEL/BRN WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 212 GPS ANTENNA GRN WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEAD UNIT HOT W/ LEFT FRONT BASS SPEAKER LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER MICROPHONE (W/O TELEMATICS) (LEFT FRONT OF ROOF) MICROPHONE 2 (RIGHT FRONT OF ROOF) NCA WIRE REAR POWER DISTRIBUTION BOX REAR WINDOW ANTENNA RED WIRE RED/GRN WIRE RELAY ENERGIZED RIGHT FRONT BASS SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER SDARS ANTENNA TELEPHONE ANTENNA VIO/YEL WIRE W/ TELEMATICS W/O TELEMATICS WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE

AIR BAG OFF INDICATOR LAMP AIR BAG ON INDICATOR LAMP BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE CENTER PEDESTRIAN PROTECTION SENSOR COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE EARLY PRODUCTION ELECTRIC FUEL PUMP CONTROL ELECTRONICS FUSE 36 FUSE 75 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ LATE PRODUCTION LEFT "B" PILLAR AIR BAG SENSOR LEFT FRONT AIR BAG SENSOR LEFT FRONT BRAKE PRESSURE SENSOR LEFT FRONT DOOR AIR BAG SENSOR LEFT HEAD AIR BAG GAS GENERATOR LEFT PEDESTRIAN PROTECTION SENSOR ORG/ WIRE ORG/GRN WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/GRN WIRE RED/GRY WIRE RELAY ENERGIZED RIGHT "B" PILLAR AIR BAG SENSOR RIGHT FRONT AIR BAG SENSOR RIGHT FRONT BRAKE PRESSURE SENSOR RIGHT FRONT DOOR AIR BAG SENSOR RIGHT FRONT POWER DISTRIBUTION BOX RIGHT HEAD AIR BAG GAS GENERATOR RIGHT REAR SIDE AIR BAG GAS GENERATOR ROOF FUNCTION CENTER TELEMATIC COMMUNICATION BOX VIO/BLK WIRE VIO/BLU WIRE VIO/GRY WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE