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

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

BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BRN 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/ TERMINAL LEFT FRONT BASS SPEAKER LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER 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 SDARS ANTENNA TELEPHONE ANTENNA VIO/YEL WIRE W/ TELEMATICS W/O TELEMATICS WHT WIRE WHT/BRN WIRE WHT/RED WIRE

BLK WIRE BLU WIRE BLUETOOTH ANTENNA BRN WIRE CD DRIVE CENTRAL INFORMATION DISPLAY FRONT CENTER VENTILATION GRILLE FUSE 214 FUSE 59 GRN WIRE HEAD UNIT HOT W/ HOT W/ TERMINAL MICROPHONE (W/ TELEMATICS) (LEFT FRONT OF ROOF) NCA WIRE ORG/ WIRE REAR POWER DISTRIBUTION BOX RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX USB CONNECTION VIO WIRE W/ USB HUB W/O USB HUB WHT WIRE WLAN ANTENNA YEL WIRE

AIR CONDITIONING AIR CONDITIONING COMPRESSOR AUDIO CONTROL PANEL AUTOMATIC TRANSMISSION AUXILIARY BATTERY CHARGING CONTROLLER BI-STABLE RELAY BLOWER MOTOR W/ OUTPUT STAGE CONTACT FREE TAILGATE OPENING EVALUATION ELECTRONICS DIAGNOSTIC SOCKET DRIVER'S DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DRIVER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DYNAMIC STABILITY CONTROL (DSC) ELECTRIC AUXILIARY HEATER FROM FUSE 29 (DIAGRAM 3 OF 8) FROM SAFETY BATTERY TERMINAL GAS GENERATOR (DIAGRAM 1 OF 8) FRONT PASSENGER DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS FUSE 1 FUSE 107 FUSE 117 FUSE 118 FUSE 2 FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 26 FUSE 28 FUSE 3 FUSE 36 FUSE 39 FUSE 4 FUSE 40 FUSE 5 FUSE 501 FUSE 502 FUSE 504 FUSE 505 FUSE 600 GRN WIRE GRN/BLU WIRE GRN/YEL WIRE GRY WIRE HEAD UNIT HKFM HYBRID PRESSURE REFUELING ELECTRONIC CONTROL UNIT LATE PRODUCTION EARLY PRODUCTION LEFT FRONT POWER DISTRIBUTION BOX LEFT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL LIGHT OPERATING UNIT LOCKING RELAY PASSENGER OUTSIDE DOOR HANDLE ELECTRONICS PASSENGER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS RAIN/LIGHT/ SOLAR CONDENSATION SENSOR REAR DRIVER'S SIDE OUTSIDE DOOR HANDLE ELECTRONICS REAR PASSENGER SIDE OUTSIDE DOOR HANDLE ELECTRONICS RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE ROOF FUNCTION CENTER STEERING COLUMN SWITCH CLUSTER TELEMATIC COMMUNICATION BOX TO BODY DOMAIN CONTROLLER (DIAGRAM 8 OF 8) TO REAR POWER DISTRIBUTION BOX (DIAGRAM 6 OF 8) TO RIGHT FRONT POWER DISTRIBUTION BOX (DIAGRAM 3 OF 8) TRANSFER BOX UNLOCKING RELAY VERTICAL DYNAMICS PLATFORM WHT RED/ WIRE WHT WIRE

ACTIVE SOUND DESIGN BOOSTER CONTROLLER (IDRIVE) DISPLAY GROUP FUSE 212 FUSE 214 FUSE 215 FUSE 216 FUSE 217 FUSE 218 FUSE 220 FUSE 250 FUSE 252 FUSE 254 FUSE 255 FUSE 257 HEAD UNIT HIFI AMPLIFIER LEFT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL LUGGAGE COMPARTMENT LAMP PARKING MANEUVERING ASSISTANT REAR PASSENGER'S SIDE DOOR POCKET LIGHTING REAR PASSENGER'S SIDE DOOR POCKET LIGHTING 2 REAR PASSENGER'S SIDE INSIDE DOOR HANDLE LIGHT RECEIVER AUDIO MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL STARTER UNIT SAFETY BATTERY TERMINAL GAS GENERATOR TOP REAR PASSENGER DOOR TRIM PANEL LIGHTING TRUNK LID TAILGATE BUTTON USB- HUB W/ RECEIVER AUDIO MODULE W/O RECEIVER AUDIO MODULE WIRELESS CHARGING SHELF ANTENNA AMPLIFIER WIRELESS CHARGING STORAGE

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/GRY WIRE HEAD UNIT HEATED REAR WINDOW BAND ELIMINATION CIRCUIT 2 NCA WIRE ORG/ WIRE RECEIVER AUDIO MODULE RED/VIO WIRE RED/WHT WIRE W/ TELEMATICS W/O TELEMATICS WHT WIRE WHT/GRY 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

ACOUSTIC PEDESTRIAN PROTECTION SPEAKER ACOUSTIC PEDESTRIAN PROTECTION SPEAKER 2 BLK WIRE BLK/RED WIRE BLU WIRE BLUETOOTH ANTENNA BRN WIRE BRN/RED WIRE BRN/WHT WIRE FUSE 38 FUSE 59 GRN WIRE GRN/GRY WIRE GRN/RED WIRE GRY WIRE HEAD UNIT HOT AT ALL TIMES HOT W/ TERMINAL NCA WIRE ORG/ WIRE PREPARING THE NFC READER RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT POWER DISTRIBUTION BOX WHT WIRE WLAN ANTENNA

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/GRY WIRE HEAD UNIT HEATED REAR WINDOW BAND ELIMINATION CIRCUIT 2 NCA WIRE ORG/ WIRE RECEIVER AUDIO MODULE RED/VIO WIRE RED/WHT WIRE W/ TELEMATICS W/O TELEMATICS WHT WIRE WHT/GRY 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