BMW 3 series G20/G21 (2018-2023) body domain controller Wiring diagrams

AUDIO CONTROL PANEL BLK WIRE BLK/YEL WIRE BLU WIRE BODY DOMAIN CONTROLLER BRN WIRE COMPUTER DATA LINES SYSTEM CONTROLLER (I DRIVE) EMERGENCY SPEAKER FUSE 1 FUSE 215 GPS ANTENNA GRN WIRE HOT W/ HOT W/ BI-STABLE RELAY ENERGIZED NCA WIRE ORG/ WIRE REAR POWER DISTRIBUTION BOX RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED ROOF ANTENNA SDARS ANTENNA TELEMATIC COMMUNICATION BOX (CENTER REAR OF ROOF) TELEMATICS ANTENNA USB CHARGING SOCKET 3 USB PORT VIO WIRE W/ USB HUB W/O USB HUB WHT WIRE WHT/BLU WIRE YEL WIRE

BODY DOMAIN CONTROLLER BRN WIRE ELECTROMECHANICAL POWER STEERING ENGINE COMPARTMENT POWER DISTRIBUTION BOX FUSE 210 FUSE 401 GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES PNK/BLU WIRE REAR POWER DISTRIBUTION BOX RED WIRE RELAY ENERGIZED STEERING TORQUE SENSOR

AIR CONDITIONING BLK WIRE BLU WIRE BLU/RED WIRE BODY DOMAIN CONTROLLER BRN WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER THIGH SUPPORT HEATING DRIVER'S SEAT BACKREST HEATING DRIVER'S SEAT HEATING ELECTRONICS DRIVER'S SEAT SURFACE HEATING FRONT PASSENGER SEAT HEATING ELECTRONICS FRONT PASSENGER SEAT OCCUPANCY DETECTION EVALUATION ELECTRONICS FRONT PASSENGER SEAT OCCUPANCY DETECTION SEAT CUSHION HEATER/SENSOR FRONT PASSENGER THIGH SUPPORT HEATING FRONT PASSENGER'S SEAT BACKREST HEATING FUSE 48 FUSE 52 GRN WIRE GRN/VIO WIRE GRY WIRE NCA WIRE REAR DRIVER'S SIDE SEAT HEATING MODULE REAR PASSENGER'S SIDE SEAT HEATING MODULE RED WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX VIO WIRE W/ EXTENDABLE THIGH SUPPORT W/O EXTENDABLE THIGH SUPPORT WHT WIRE YEL WIRE

12 V POWER SOCKET 3 12 V POWER SOCKET FRONT CIGARETTE LIGHTER BLOWER MOTOR W/ OUTPUT STAGE BODY DOMAIN CONTROLLER BRN WIRE DRIVER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS ELECTRICAL STEERING COLUMN ADJUSTMENT FRONT PASSENGER DOOR ENTRY LIGHTING FRONT PASSENGER DOOR GROUND LIGHTS FRONT PASSENGER DOOR INSIDE DOOR HANDLE LIGHT FRONT PASSENGER DOOR POCKET LIGHTING FRONT PASSENGER DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS FRONT PASSENGER LUMBAR SUPPORT SWITCH FRONT PASSENGER LUMBAR SUPPORT VALVE BLOCK FRONT PASSENGER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT PASSENGER SEAT HEATING ELECTRONICS FRONT PASSENGER SEAT MODULE FRONT PASSENGER SEAT PNEUMATIC PUMP FRONT PASSENGER VEHICLE EXTERIOR MIRROR NCA WIRE PASSENGER OUTSIDE DOOR HANDLE ELECTRONICS PASSENGER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK REAR DRIVER'S SIDE COURTESY LIGHTS REAR DRIVER'S SIDE DOOR POCKET LIGHTING REAR DRIVER'S SIDE DOOR SILL COURTESY LIGHT REAR DRIVER'S SIDE INSIDE DOOR HANDLE LIGHT REAR DRIVER'S SIDE OUTSIDE DOOR HANDLE ELECTRONICS REAR PASSENGER SIDE OUTSIDE DOOR HANDLE ELECTRONICS ROOF FUNCTION CENTER STEERING COLUMN SWITCH CLUSTER TOP FRONT PASSENGER DOOR TRIM PANEL LIGHTING TOP REAR DRIVER'S SIDE DOOR TRIM PANEL LIGHTING WASHER FLUID LEVEL SENSOR WIPER DRIVE

AIR CONDITIONING COMPRESSOR AUXILIARY BATTERY BATTERY BLK WIRE BODY DOMAIN CONTROLLER BRN WIRE BRN/BLK WIRE CAN BUS TERMINAL RESISTOR 2 CAN BUS TERMINAL RESISTOR 6 CONTACT FREE TAILGATE OPERATING EVALUATION ELECTRONICS DIGITAL MOTOR ELECTRONICS ELECTRIC FAN ELECTRIC FUEL PUMP CONTROL ELECTRONICS ELECTRICAL EXHAUST FLAP ELECTROMECHANICAL POWER STEERING ELECTRONIC TRANSMISSION CONTROL FRONT ELECTRIC AUXILIARY HEATER FRONT PASSENGER'S SEAT OCCUPANCY DETECTION EVALUATION ELECTRONICS HEAT MANAGEMENT MODULE INTELLIGENT BATTERY SENSOR INTERFERENCE SUPPRESSION FILTER LEFT REAR NEAR RANGE RADAR SENSOR LOW TEMPERATURE COOLANT CIRCUIT COOLANT PUMP NATURAL VACUUM LEAK DETECTION NCA WIRE REAR PASSENGER'S SIDE FOOTWELL LIGHT REAR POWER DISTRIBUTION BOX REAR VIEW CAMERA REAR VIEW CAMERA SHIELD REGULATED DIFFERENTIAL LOCK RIGHT REAR DOOR SILL LIGHT STRIP RIGHT REAR NEAR RANGE RADAR SENSOR TELEMATIC COMMUNICATION BOX TRANSFER BOX TURBOCHARGER COOLANT PUMP

BLK WIRE BODY DOMAIN CONTROLLER BRN WIRE BRN/WHT WIRE FANFARE HORN BUTTON FUSE 1 FUSE 39 HOT AT ALL TIMES HOT W/ BI-STABLE RELAY ENERGIZED RED WIRE RED/GRY WIRE RED/YEL WIRE RIGHT FRONT POWER DISTRIBUTION BOX STEERING COLUMN SWITCH CLUSTER SUBWOOFER FANFARE HORN TRANSMISSIONS SYSTEM TWEETER FANFARE HORN WHT/VIO WIRE YEL WIRE

AIR CONDITIONING BLK WIRE BODY DOMAIN CONTROLLER BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT HEATING ELECTRONICS FRONT PASSENGER SEAT HEATING ELECTRONICS FUSE 269 GRN/VIO WIRE GRY WIRE HOT W/ REAR DRIVER'S SIDE BACKREST HEATING REAR DRIVER'S SIDE SEAT CUSHION HEATING REAR DRIVER'S SIDE SEAT HEATING MODULE REAR PASSENGER'S SIDE BACKREST HEATING REAR PASSENGER'S SIDE SEAT CUSHION HEATER REAR PASSENGER'S SIDE SEAT HEATING MODULE REAR POWER DISTRIBUTION BOX RED/YEL WIRE RELAY ENERGIZED VIO WIRE WHT WIRE 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 W/ TERMINAL BI-STABLE RELAY ENERGIZED 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

ACCELERATOR PEDAL MODULE BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY DOMAIN CONTROLLER BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DIGITAL MOTOR ELECTRONICS ELECTRICAL EXHAUST FLAP EXHAUST GAS PRESSURE SENSOR GASOLINE PARTICULATE FILTER FUSE 203 FUSE 501 FUSE BOX GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LIN POWER DISTRIBUTION BOX PNK/BLU WIRE RADIATOR OUTLET TEMPERATURE SENSOR REAR POWER DISTRIBUTION BOX RED WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT SIDE OF RADIATOR) STARTING/CHARGING SYSTEM VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/WHT WIRE