BMW 3 series G20/G21 (2018-2023) Receiver audio module circuit, high level

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

BRN WIRE COMPUTER DATA LINES SYSTEM CONTROLLER (IDRIVE) DRIVER CAMERA SYSTEM FUSE 212 FUSE 215 GRN WIRE GRN/GRY WIRE GRN/RED WIRE HOT W/ INSTRUMENT PANEL NCA WIRE REAR POWER DISTRIBUTION BOX RED/BLK WIRE RED/VIO WIRE RED/WHT WIRE RELAY ENERGIZED W/ DRIVER CAMERA SYSTEM W/O DRIVER CAMERA SYSTEM WHT WIRE WHT/GRY WIRE WHT/RED 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/RED WIRE BLU WIRE BRN WIRE CD DRIVE CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM FUSE 38 FUSE 59 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ TERMINAL NCA WIRE OPTIONAL W/ TERMINATION PLUG ORG/ WIRE PREPARING THE NFC READER RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT POWER DISTRIBUTION BOX USB CHARGING SOCKET 3 USB CONNECTION USB PORT WHT 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

ACOUSTIC PEDESTRIAN PROTECTION SPEAKER ACOUSTIC PEDESTRIAN PROTECTION SPEAKER 2 BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE FRONT CENTER MID-RANGE SPEAKER FRONT CENTER TWEETER FUSE 220 GRN/GRY WIRE GRN/RED WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HOT W/ LEFT FRONT BASS SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT REAR TWEETER NCA WIRE REAR POWER DISTRIBUTION BOX RECEIVER AUDIO MODULE RED WIRE RED/BLU WIRE RELAY ENERGIZED RIGHT FRONT BASS SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR MID- RANGE SPEAKER 2 RIGHT REAR MID-RANGE SPEAKER RIGHT REAR TWEETER RIGHT REAR TWEETER 2 VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/RED WIRE