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

BLU WIRE BOTTOM RADIATOR BLIND DRIVE CHARGING CONTROLLER FOR AUXILIARY BATTERY DASHBOARD LIGHTING DASHBOARD LIGHTING 2 DASHBOARD LIGHTING 3 DRIVER'S DOOR INSIDE DOOR HANDLE LIGHT DRIVER'S DOOR POCKET LIGHTING ELECTRIC FAN FRONT PASSENGER DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS GRN WIRE GRN/BLU WIRE GRY WIRE INTELLIGENT BATTERY SENSOR LEFT FRONT FOOTWELL LIGHT NCA WIRE PASSENGER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS PNK/BLU WIRE REAR DRIVER'S SIDE DOOR POCKET LIGHTING REAR DRIVER'S SIDE INSIDE DOOR HANDLE LIGHT RED WIRE RIGHT FRONT FOOTWELL LIGHT TOP DRIVER'S DOOR TRIM PANEL LIGHTING TOP RADIATOR BLIND DRIVE WHT WIRE WHT/BLU WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE

ACTIVE SOUND DESIGN AUXILIARY HEATER COOLANT CHANGEOVER VALVE AUXILIARY HEATER FUEL METERING PUMP AUXILIARY WATER PUMP BLK WIRE BOOSTER BRN WIRE CAR SHARING MODULE CD DRIVE COUPE ELECTRIC AUXILIARY HEATER COOLANT CHANGEOVER VALVE ELECTRIC VACUUM PUMP EXCEPT 3.0L TURBO FANFARE HORN BUTTON HEAD UNIT HEAD UNIT BASIC 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 HEADLIGHT LEFT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED 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 ELECTRICALLY MOTORIZED 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

ALL ROUND VISION CAMERA AUTOMATIC AIR RECIRCULATION CONTROL SENSOR BLK WIRE BRAKE FLUID LEVEL SWITCH BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CAMERA BASED DRIVER SUPPORT SYSTEMS CAN BUS TERMINAL RESISTOR 11 CENTER CONSOLE CONTROL PANEL CLUTCH MODULE COOLANT LEVEL SENSOR DASHBOARD LIGHTING DASHBOARD LIGHTING 2 DASHBOARD LIGHTING 3 DIAGNOSTIC SOCKET DISPLAY GROUP DRIVER CAMERA SYSTEM DRIVER'S DOOR CENTRAL LOCKING BUTTON ELECTRICAL MACHINE ELECTRONICS ELECTROCHROMIC INTERIOR MIRROR ETHERNET SWITCH FRONT CENTER ARMREST LIGHT FRONT RIGHT VENTILATION GRILLE 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 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

3.0L TURBO AIR CONDITIONING COMPRESSOR AUTOMATIC TRANSMISSION AUXILIARY BATTERY BLK WIRE BODY DOMAIN CONTROLLER BRN WIRE BRN/BLK WIRE CAN BUS TERMINAL RESISTOR 2 CAN BUS TERMINAL RESISTOR 6 CONTACT FREE TAILGATE OPENING EVALUATION ELECTRONICS CONVENIENCE CHARGING ELECTRONICS SHIELDS DIGITAL MOTOR ELECTRONICS DYNAMIC STABILITY CONTROL (DSC) ELECTRIC FAN ELECTRIC FUEL PUMP CONTROL ELECTRONICS ELECTRICAL EXHAUST FLAP ELECTRICAL MACHINE ELECTRONICS ELECTROMECHANICAL POWER STEERING ELECTRONIC TRANSMISSION CONTROL EXCEPT 3.0L TURBO FRONT ELECTRIC AUXILIARY HEATER FRONT PASSENGER'S SEAT OCCUPANCY DETECTION EVALUATION ELECTRONICS HEAT MANAGEMENT MODULE HIGH-VOLTAGE CHARGING SOCKET HYBRID PRESSURE REFUELING ELECTRONIC CONTROL UNIT INTERFERENCE SUPPRESSOR FILTER LEFT REAR NEAR RANGE RADAR SENSOR LOW TEMPERATURE COOLANT CIRCUIT COOLANT PUMP LOW TEMPERATURE COOLANT CIRCUIT COOLANT PUMP 2 NATURAL VACUUM LEAK DETECTION NCA WIRE REAR PASSENGER'S SIDE FOOTWELL LIGHT 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 WHT WIRE YEL/GRN WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CENTER CONSOLE COMPUTER DATA LINES SYSTEM CONTROLLER (IDRIVE) FUSE 215 FUSE 216 GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ NCA WIRE NFC NEAR- FIELD COMMUNICATION REAR POWER DISTRIBUTION BOX RED/BLK WIRE RED/WHT (OR RED/BLK) WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT BASS SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER VIO/YEL WIRE W/ ANTENNA AMPLIFIER W/ TELEMATICS W/O ANTENNA AMPLIFIER W/O TELEMATICS WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WIRELESS CHARGING SHELF ANTENNA AMPLIFIER WIRELESS CHARGING STORAGE YEL WIRE

AIR CONDITIONING AIR CONDITIONING SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CENTRAL LOCKING BUTTON DRIVER'S DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DRIVER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS FRONT CENTER VENTILATION GRILLE FRONT PASSENGER DOOR CENTRAL LOCKING BUTTON FRONT PASSENGER DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS FRONT PASSENGER DOOR POWER WINDOW SWITCH FUSE 1 FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 504 FUSE BOX GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ HOT W/ BI-STABLE RELAY ENERGIZED LEFT "C" PILLAR) LEFT FRONT VENTILATION GRILLE LIGHT OPERATING UNIT NCA WIRE PASSENGER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS REAR AIR VENT GRILLE REAR DRIVER'S SIDE POWER WINDOW SWITCH REAR PASSENGER SIDE POWER WINDOW SWITCH RED WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE REFUELING BUTTON RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX RIGHT FRONT VENTILATION GRILLE ROOF FUNCTION CENTER USB CHARGING SOCKET 2 USB CHARGING SOCKET 3 VEHICLE INTERIOR TAILGATE BUTTON WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL/BLK WIRE

ALTERNATOR AUXILIARY BATTERY BATTERY BATTERY ELECTRONICS BATTERY ELECTRONICS MODULE BLK WIRE BLU/YEL WIRE BRN (OR BLK) WIRE BRN WIRE CAPACITOR BOX COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE DIGITAL MOTOR ELECTRONICS DME MAIN RELAY DYNAMIC STABILITY CONTROL (DSC) ELECTRIC FAN CUT-OFF RELAY ELECTRICAL MACHINE ELECTRONICS ELECTROMECHANICAL POWER STEERING ENGINE COMPARTMENT POWER DISTRIBUTION BOX FROM REAR POWER DISTRIBUTION BOX (DIAGRAM 5 OF 8) FROM RIGHT FRONT POWER DISTRIBUTION BOX (DIAGRAM 3 OF 8) FRONT ELECTRIC AUXILIARY HEATER FUSE 400 FUSE 401 FUSE 402 FUSE 404 FUSE 406 GRY WIRE IGNITION, FUEL INJECTION RELAY INTEGRATED SUPPLY MODULE (LEFT SIDE OF ENGINE COMPT) INTELLIGENT BATTERY SENSOR JUMP START TERMINAL NCA WIRE ON BATTERY) POWER SUPPLY SENSORS/ ACTUATORS RELAY RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE SAFETY BATTERY TERMINAL GAS GENERATOR STARTER MOTOR TO FUSE BOX (DIAGRAM 2 OF 8) TRANSFER TERMINAL POINT VALVETRONIC RELAY VIO WIRE YEL WIRE

AUXILIARY CONTROL UNIT AUXILIARY CONTROL UNIT FOR INTELLIGENT POWER DISTRIBUTION BLK/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE CAR SHARING MODULE CD DRIVE CENTER CONSOLE CONTROL DISPLAY GROUP DRIVER CAMERA SYSTEM DRIVER OUTSIDE DOOR HANDLE ELECTRONICS DRIVER SEAT MODULE DRIVER'S SEAT HEATING ELECTRONICS ELECTRICAL STEERING COLUMN ADJUSTMENT ELECTROCHROMIC INTERIOR MIRROR ELECTRONIC TOLL TAG CONNECTOR ELECTRONIC TRANSMISSION CONTROL FROM ELECTRIC FAN CUT-OFF RELAY (DIAGRAM 5 OF 8) FROM FUSE 107 (DIAGRAM 2 OF 8) FROM FUSE BOX (DIAGRAM 2 OF 8) FRONT PASSENGER SEAT HEATING ELECTRONICS FRONT PASSENGER SEAT MODULE FUSE 113 FUSE 29 FUSE 30 FUSE 32 FUSE 33 FUSE 34 FUSE 35 FUSE 37 FUSE 38 FUSE 46 FUSE 48 FUSE 49 FUSE 51 FUSE 52 FUSE 53 FUSE 54 FUSE 55 FUSE 56 FUSE 57 FUSE 59 FUSE 63 GRN/BLU WIRE INDEPENDENT AUXILIARY HEATER INSTRUMENT CLUSTER (KOMBI) INSTRUMENT PANEL LATE PRODUCTION LEFT FRONT POWER DISTRIBUTION BOX LIN POWER DISTRIBUTION BOX NCA WIRE PASSENGER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK PREPARING CONNECTOR ELECTRONIC TOLL TAG PREPARING THE NFC READER REAR POWER DISTRIBUTION BOX RED WIRE RED) RED/YEL WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE STEERING COLUMN SWITCH CLUSTER TO AUXILIARY BATTERY (DIAGRAM 1 OF 8) TO FUSE 118 (DIAGRAM 2 OF 8) TO FUSE 28 (DIAGRAM 2 OF 8) TO FUSE 60 (DIAGRAM 4 OF 8) TRAILER BRAKE SYSTEM PLUG CONNECTION TRANSFER BOX VERTICAL DYNAMICS PLATFORM W/ SEAT MODULE W/O SEAT MODULE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE

AIR CONDITIONING BODY DOMAIN CONTROLLER FRONT CENTER VENTILATION GRILLE FUSE 232 FUSE 501 FUSE BOX HEATED REAR WINDOW BAND ELIMINATION CIRCUIT 2 HOT AT ALL TIMES LIN POWER DISTRIBUTION BOX NCA WIRE REAR POWER DISTRIBUTION BOX REAR WINDOW DEFOGGER REAR WINDOW HEATING BUTTON REAR WINDOW HEATING RELAY RED WIRE VIO WIRE WHT WIRE YEL WIRE

AUDIO CONTROL PANEL BLK/YEL WIRE BODY DOMAIN CONTROLLER BRN WIRE COMPUTER DATA LINES SYSTEM EMERGENCY LOUDSPEAKER FUSE 1 GPS ANTENNA GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE HEAD UNIT HOT W/ BI-STABLE RELAY ENERGIZED MICROPHONE (LEFT FRONT OF ROOF) NCA WIRE RED WIRE RED/VIO WIRE RED/YEL WIRE SDARS ANTENNA TELEMATIC COMMUNICATION BOX (IF EQUIPPED) (CENTER REAR OF ROOF) TELEPHONE ANTENNA W/ CAR SHARING MODULE W/ TELEMATICS W/O CAR SHARING MODULE W/O TELEMATICS WHT WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE