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

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER CAMERA SYSTEM (BEHIND INSTRUMENT CLUSTER) FUSE 59 GRN WIRE HEAD UNIT INSTRUMENT PANEL RED WIRE RED/BLU WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX WHT WIRE YEL WIRE

BRN WIRE COMPUTER DATA LINES SYSTEM GPS ANTENNA GRN WIRE GRN/GRY WIRE HEAD UNIT HEATED REAR WINDOW BAND ELIMINATION CIRCUIT 2 NCA WIRE RECEIVER AUDIO MODULE RED/VIO WIRE RED/WHT WIRE SDARS ANTENNA 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 NCA WIRE RED WIRE RED/VIO WIRE RED/YEL WIRE SDARS ANTENNA TELEMATIC COMMUNICATION BOX (IF EQUIPPED) (CENTER REAR OF ROOF) 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

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 NCA WIRE RED WIRE RED/BLK WIRE RED/VIO WIRE RED/YEL WIRE SDARS ANTENNA TELEMATIC COMMUNICATION BOX (IF EQUIPPED) (CENTER REAR OF ROOF) 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

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLUETOOTH ANTENNA BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 217 GRN WIRE HEAD UNIT HOT AT ALL TIMES LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR MID- RANGE SPEAKER 2 LEFT REAR TWEETER 2 NCA WIRE ORG/ WIRE REAR POWER DISTRIBUTION BOX RED WIRE RED/BLK WIRE RED/YEL WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE WLAN ANTENNA YEL WIRE

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

BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLUETOOTH ANTENNA BRN WIRE GRN WIRE HEAD UNIT LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER NCA WIRE ORG/ WIRE RED WIRE RED/YEL WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER WHT WIRE WHT/BLK WIRE WLAN ANTENNA

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) MICROPHONE 2 + NCA WIRE REAR POWER DISTRIBUTION BOX REAR WINDOW ANTENNA RED WIRE RED/GRN WIRE SDARS ANTENNA VIO/YEL WIRE W/ TELEMATICS W/O TELEMATICS WHT WIRE WHT/BRN WIRE WHT/RED WIRE

AIR CONDITIONING AUDIO CONTROL PANEL BI-STABLE RELAY BLOWER MOTOR W/ OUTPUT STAGE BODY DOMAIN CONTROLLER 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) 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 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 53 FUSE BOX GRN/BLU WIRE GRN/YEL WIRE HEAD UNIT HKFM LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC 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/BLK 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) TRAILER BRAKE SYSTEM PLUG CONNECTION UNLOCKING RELAY VERTICAL DYNAMICS PLATFORM

ACTIVE SOUND DESIGN BOOSTER CONTROLLER (IDRIVE) FUSE 212 FUSE 214 FUSE 215 FUSE 216 FUSE 218 FUSE 220 FUSE 250 FUSE 254 FUSE 255 FUSE 257 HEAD UNIT HIFI AMPLIFIER LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL LUGGAGE COMPARTMENT LAMP PARKING MANEUVERING ASSISTANT REAR PASSENGER'S SIDE DOOR POCKET LIGHTING REAR PASSENGER'S SIDE INSIDE DOOR HANDLE LIGHT RECEIVER AUDIO MODULE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL 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