BMW 3 series G20/G21 (2018-2023) computer data lines system Wiring diagrams

BLU WIRE BLU/RED WIRE BRN WIRE CAMERA BASED DRIVER SUPPORT SYSTEMS COMPUTER DATA LINES SYSTEM FRONT RADAR SENSOR FUSE 204 FUSE 208 FUSE 209 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY/VIO WIRE HOT W/ TERMINAL LONG- DISTANCE RANGE FRONT RADAR SENSOR HEATING LONG-DISTANCE RANGE FRONT RADAR SENSOR REAR POWER DISTRIBUTION BOX RED WIRE RIGHT FRONT SIDE NEAR RANGE RADAR SENSOR RIGHT REAR NEAR RANGE RADAR SENSOR VIO WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRY 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

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

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 COMPUTER DATA LINES SYSTEM CONTROLLER (I DRIVE) FUSE 215 GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ NCA WIRE REAR POWER DISTRIBUTION BOX RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT BASS SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE

AUDIO CONTROL PANEL BLK WIRE BLK/YEL WIRE BLU WIRE BODY DOMAIN CONTROLLER BRN WIRE COMPUTER DATA LINES SYSTEM CONTROLLER (I DRIVE) EMERGENCY SPEAKER FUSE 1 FUSE 215 GPS ANTENNA GRN WIRE HOT W/ HOT W/ BI-STABLE RELAY ENERGIZED NCA WIRE ORG/ WIRE REAR POWER DISTRIBUTION BOX RED WIRE RED/BLK WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED ROOF ANTENNA SDARS ANTENNA TELEMATIC COMMUNICATION BOX (CENTER REAR OF ROOF) TELEMATICS ANTENNA USB CHARGING SOCKET 3 USB PORT VIO WIRE W/ USB HUB W/O USB HUB WHT WIRE WHT/BLU WIRE YEL WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 218 GRN WIRE GRY/BRN WIRE GRY/RED WIRE HOT W/ LEFT FRONT BASS SPEAKER LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER MICROPHONE (W/O TELEMATICS) NCA WIRE REAR POWER DISTRIBUTION BOX RED WIRE RED/WHT WIRE RELAY ENERGIZED VIO/YEL WIRE W/ TELEMATICS W/O TELEMATICS WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE

AUDIO CONTROL PANEL BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BODY DOMAIN CONTROLLER BRN WIRE COMPUTER DATA LINES SYSTEM CONTROLLER (I DRIVE) FRONT CENTER VENTILATION GRILLE FUSE 1 FUSE 215 GRN WIRE GRY/BRN WIRE GRY/RED WIRE HOT W/ BI-STABLE RELAY ENERGIZED HOT W/ TERMINAL NCA WIRE REAR POWER DISTRIBUTION BOX RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT BASS SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE

BEHIND RIGHT FRONT CORNER OF FRONT BUMPER) BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE CONTROL CENTER COMPUTER DATA LINES SYSTEM FUSE 255 FUSE 32 GRN/BLK WIRE GRN/GRY WIRE HOT AT ALL TIMES HOT W/ LEFT FRONT CENTER ULTRASONIC SENSOR LEFT FRONT OUTER ULTRASONIC SENSOR LEFT FRONT SIDE PARKING MANEUVERING ASSISTANT ULTRASONIC SENSOR LEFT REAR CENTER ULTRASONIC SENSOR LEFT REAR OUTER ULTRASONIC SENSOR LEFT REAR ULTRASONIC SENSOR PARKING ASSISTANCE BUTTON PARKING MANEUVERING ASSISTANT REAR POWER DISTRIBUTION BOX RED/GRY WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT CENTER ULTRASONIC SENSOR RIGHT FRONT OUTER ULTRASONIC SENSOR RIGHT FRONT POWER DISTRIBUTION BOX RIGHT FRONT SIDE PARKING MANEUVERING ASSISTANT ULTRASONIC SENSOR RIGHT REAR CENTER ULTRASONIC SENSOR RIGHT REAR OUTER ULTRASONIC SENSOR RIGHT REAR ULTRASONIC SENSOR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE

BASIS BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE COMPUTER DATA LINES SYSTEM ETHERNET SWITCH FUSE 60 GRN WIRE HOT W/ NCA WIRE REAR VIEW CAMERA RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX W/ ETHERNET SWITCH W/O ETHERNET SWITCH WHT WIRE WHT/RED WIRE YEL WIRE