BMW 3 series G20/G21 (2018-2023) nca Wiring diagrams

ALTERNATOR AUXILIARY BATTERY BATTERY BATTERY ELECTRONICS BLK WIRE BLU/YEL WIRE BRN WIRE CAPACITOR BOX COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE DIGITAL MOTOR ELECTRONICS ENGINE COMPARTMENT POWER DISTRIBUTION BOX FUSE 244 FUSE 63 GRY WIRE HOT AT ALL TIMES HOT W/ INTELLIGENT BATTERY SENSOR JUMP START TERMINAL NCA WIRE ON BATTERY) REAR POWER DISTRIBUTION BOX RED WIRE RED/BRN WIRE RED/GRN WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX SAFETY BATTERY TERMINAL GAS GENERATOR STARTER MOTOR TRANSFER TERMINAL POINT VIO WIRE YEL WIRE

AIR CONDITIONING BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT MODULE DRIVER THIGH SUPPORT HEATING DRIVER'S SEAT BACKREST HEATING DRIVER'S SEAT SURFACE HEATING FRONT PASSENGER SEAT MODULE 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 55 FUSE 56 GRN WIRE GRN/VIO WIRE GRY WIRE NCA WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX VIO WIRE W/ EXTENDABLE THIGH SUPPORT W/O EXTENDABLE THIGH SUPPORT WHT WIRE YEL WIRE

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

ACTIVE SOUND DESIGN AUXILIARY HEATER COOLANT CHANGEOVER VALVE AUXILIARY HEATER FUEL METERING PUMP BLK WIRE BOOSTER BRN WIRE CAR SHARING MODULE CD DRIVE CONTROLLER (IDRIVE) FANFARE HORN BUTTON HEAD UNIT HEAD UNIT BASIS HEAD UNIT HIGH, MID HIFI AMPLIFIER IGNITION COIL CYLINDER 1 IGNITION COIL CYLINDER 2 IGNITION COIL CYLINDER 3 IGNITION COIL CYLINDER 4 INDEPENDENT AUXILIARY HEATER LEFT "C" PILLAR) LEFT HEADLIGHT LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL LEFT SHIFT PADDLE LEFT-HAND MULTI-FUNCTION STEERING COLUMN SWITCH CLUSTER NCA WIRE PREPARING THE NFC READER REAR WINDOW DEFOGGER RECEIVER AUDIO MODULE RIGHT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL RIGHT SHIFT PADDLE STEERING COLUMN SWITCH CLUSTER TELEMATIC COMMUNICATION BOX SHIELD USB CHARGING SOCKET 2 USB CHARGING SOCKET 3 USB- HUB WIRELESS CHARGING SHELF ANTENNA AMPLIFIER WIRELESS CHARGING STORAGE YEL WIRE

AUTOMATIC REAR AIR CONDITIONING OPERATING FACILITY AUXILIARY HEATER ELECTRIC BRN WIRE CONVENIENCE CHARGING ELECTRONICS DIAGNOSTIC SOCKET DRIVER LUMBAR SUPPORT VALVE BLOCK DRIVER LUMBER SUPPORT/BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER OUTSIDE DOOR HANDLE ELECTRONICS DRIVER SEAT MODULE DRIVER VEHICLE EXTERIOR MIRROR DRIVER'S DOOR ENTRY LIGHTING DRIVER'S DOOR GROUND LIGHTS DRIVER'S DOOR INSIDE DOOR HANDLE LIGHT DRIVER'S DOOR POCKET LIGHTING DRIVER'S DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DRIVER'S DOOR SEAT SWITCH CLUSTER DRIVER'S DOOR SWITCH BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT HEATING ELECTRONICS DRIVER'S SEAT LUMBAR SUPPORT SWITCH DRIVER'S SEAT PNEUMATIC PUMP HOOD CONTACT SWITCH LEFT BACKREST REMOTE UNLOCKING ELECTRIC MOTOR NCA WIRE REAR DRIVER'S SIDE FOOTWELL LIGHT REAR DRIVER'S SIDE SEAT HEATING MODULE REFUELING BUTTON TOP DRIVER'S DOOR TRIM PANEL LIGHTING TRAILER BRAKE SYSTEM PLUG CONNECTION VEHICLE INTERIOR TAILGATE BUTTON VERTICAL DYNAMICS PLATFORM WIPER DRIVE

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

ALL ROUND VISION CAMERA AUTOMATIC AIR RECIRCULATION CONTROL SENSOR BLK WIRE BRAKE FLUID LEVEL SWITCH BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE CAMERA BASED DRIVER SUPPORT SYSTEMS CAN BUS TERMINAL RESISTOR 11 CENTER CONSOLE CONTROL PANEL CENTER STACK STORAGE COMPARTMENT LIGHTING SWITCH CLUTCH MODULE COOLANT LEVEL SENSOR DASHBOARD LIGHTING DASHBOARD LIGHTING 2 DASHBOARD LIGHTING 3 DIAGNOSTIC SOCKET DRIVER CAMERA SYSTEM DRIVER OUTSIDE DOOR HANDLE ELECTRONIC EARLY PRODUCTION ELECTROCHROMIC INTERIOR MIRROR ETHERNET SWITCH FRONT CENTER ARMREST LIGHT FRONT INTERIOR LIGHT FRONT PASSENGER'S DOOR GROUND LIGHT 3 FRONT RIGHT DOOR SILL LIGHT STRIP FRONT RIGHT VENTILATION GRILLE LATE PRODUCTION LEFT FRONT FOOTWELL LIGHT LEFT FRONT VANITY MIRROR SWITCH LEFT ILLUMINATED CARPET LEFT REAR DOOR SILL LIGHT STRIP NCA WIRE OPTIONAL EQUIPMENT SYSTEM PASSENGER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS RAIN/LIGHT/ SOLAR CONDENSATION SENSOR REAR INTERIOR LIGHT REAR PASSENGER SIDE SILL COURTESY LIGHT REAR PASSENGER'S SIDE COURTESY LIGHT REAR PASSENGER'S SIDE DOOR POCKET LIGHTING REAR PASSENGER'S SIDE DOOR POCKET LIGHTING 2 REAR PASSENGER'S SIDE INSIDE DOOR HANDLE LIGHT REAR PASSENGER'S SIDE OUTSIDE DOOR HANDLE ELECTRONICS REMOTE CONTROL RECEIVER RIGHT FRONT FOOTWELL LIGHT RIGHT FRONT VANITY MIRROR SWITCH RIGHT ILLUMINATED CARPET ROOF FUNCTION CENTER TOP REAR PASSENGER DOOR TRIM PANEL LIGHTING W/O INTERIOR LIGHT PACKAGE

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 BRN WIRE ELECTRONICS TOUCH DETECTION FUSE 57 GRN/BLU WIRE HEATED STEERING WHEEL SWITCH LEFT MULTI-FUNCTION STEERING COLUMN SWITCH CLUSTER NCA WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX STEERING COLUMN SWITCH CLUSTER STEERING WHEEL HEATER STEERING WHEEL MODULE VIBRATION ACTUATOR

AUTOMATIC HOLD BUTTON BLK WIRE BRN (OR BLK) WIRE BRN/BLK WIRE CENTER CONSOLE CONTROL CENTER COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) FUSE 28 FUSE 32 HOT AT ALL TIMES LEFT PARKING BRAKE DRIVE NCA WIRE PARKING BRAKE BUTTON RED/GRY WIRE RED/WHT WIRE RIGHT FRONT POWER DISTRIBUTION BOX RIGHT PARKING BRAKE DRIVE WHT WIRE WHT/BLU WIRE YEL WIRE