BMW 3 series G20/G21 (2018-2023) yel/red Wiring diagrams

BLK WIRE BLU WIRE BRAKE FLUID LEVEL SWITCH BRN WIRE BRN/BLK WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) ENGINE COMPARTMENT POWER DISTRIBUTION BOX FUSE 28 FUSE 404 GRN/BLU WIRE GRN/YEL WIRE HOT AT ALL TIMES LEFT "C" PILLAR) LEFT FRONT BRAKE PAD WEAR SENSOR LEFT FRONT WHEEL RPM SENSOR LEFT PARKING BRAKE DRIVE NCA WIRE PNK/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT POWER DISTRIBUTION BOX RIGHT REAR BRAKE PAD WEAR SENSOR RIGHT REAR WHEEL RPM SENSOR WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

AIR DISTRIBUTION FLAP MOTOR BASIC BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BOTTOM RADIATOR BLIND DRIVE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE DEFROSTER FLAP MOTOR FRESH AIR/ RECIRCULATED AIR FLAP MOTOR FRONT CENTER VENTILATION GRILLE GRN WIRE GRN/RED WIRE GRY WIRE HEATING, AIR CONDITIONING SYSTEM OPERATING UNIT LEFT AIR DISTRIBUTION FLAP MOTOR LEFT FRONT MIXING FLAP DRIVE LEFT FRONT STRATIFICATION FLAP MOTOR MIXED AIR FLAP MOTOR REAR AIR VENT GRILLE REAR COMPARTMENT FLAP MOTOR REAR MIXED AIR FLAP MOTOR REAR SEAT VENTILATION TEMPERATURE SENSOR RED WIRE RED/BLU WIRE RIGHT AIR DISTRIBUTION FLAP MOTOR RIGHT FRONT MIXING FLAP DRIVE RIGHT FRONT STRATIFICATION FLAP MOTOR WHT WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

2.0L TURBO BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLANT EXPANSION TANK SHUTOFF VALVE COOLANT TEMPERATURE SENSOR CRANKCASE COOLANT SHUTOFF VALVE DIGITAL MOTOR ELECTRONICS ELECTRIC FAN ELECTRIC FAN CUT-OFF RELAY ENGINE COMPARTMENT POWER DISTRIBUTION BOX FUSE 1 FUSE 14 FUSE 2 FUSE 3 FUSE 400 FUSE 6 FUSE 69 FUSE 70 GRN/RED WIRE GRY WIRE HEAT MANAGEMENT MODULE HOT AT ALL TIMES HOT W/ HOT W/ DME MAIN RELAY ENERGIZED HOT W/ POWER SUPPLY SENSORS/ ACTUATORS RELAY ENERGIZED HOT W/ VALVETRONIC RELAY ENERGIZED INTEGRATED SUPPLY MODULE LOW TEMPERATURE COOLANT CIRCUIT COOLANT PUMP RADIATOR OUTLET TEMPERATURE SENSOR RED WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX RIGHT SIDE OF RADIATOR) TOP RADIATOR BLIND DRIVE TURBOCHARGER COOLANT PUMP VIO WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

2.0L TURBO BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLU WIRE BLU/WHT WIRE BOTTOM RADIATOR BLIND DRIVE BRN (OR BLK) WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLANT EXPANSION TANK SHUTOFF VALVE COOLANT TEMPERATURE SENSOR CRANKCASE MANAGEMENT SENSOR DIGITAL MOTOR ELECTRONICS ELECTRIC FAN ELECTRIC FAN CUT-OFF RELAY ENGINE COMPARTMENT POWER DISTRIBUTION BOX FUSE 1 FUSE 14 FUSE 2 FUSE 3 FUSE 400 FUSE 6 FUSE 69 FUSE 70 GRN/RED WIRE GRY WIRE HEAT MANAGEMENT MODULE HOT AT ALL TIMES HOT W/ HOT W/ DME MAIN RELAY ENERGIZED HOT W/ POWER SUPPLY SENSORS/ ACTUATORS RELAY ENERGIZED HOT W/ VALVETRONIC RELAY ENERGIZED INTEGRATED SUPPLY MODULE LOW TEMPERATURE COOLANT CIRCUIT COOLANT PUMP RADIATOR OUTLET TEMPERATURE SENSOR RED WIRE RED/BRN WIRE RED/GRN WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX RIGHT SIDE OF RADIATOR) TOP RADIATOR BLIND DRIVE TURBOCHARGER COOLANT PUMP VIO WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/WHT WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 212 GPS ANTENNA GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY 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/BRN WIRE VIO/RED WIRE VIO/YEL WIRE W/ TELEMATICS W/O TELEMATICS WHT WIRE YEL/BRN WIRE YEL/RED WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM CONTROLLER (I DRIVE) FRONT CENTER MID-RANGE SPEAKER FRONT CENTER TWEETER FUSE 215 FUSE 220 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY/BRN WIRE GRY/RED WIRE HOT W/ LEFT REAR MID-RANGE SPEAKER LEFT REAR TWEETER NCA WIRE REAR POWER DISTRIBUTION BOX RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT BASS SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR MID-RANGE SPEAKER RIGHT REAR TWEETER VIO/BRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/RED 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

BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE 212 GPS ANTENNA GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY 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/BRN WIRE VIO/RED WIRE VIO/YEL WIRE W/ TELEMATICS W/O TELEMATICS WHT WIRE YEL/BRN WIRE YEL/RED WIRE

BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM CONTROLLER (I DRIVE) FRONT CENTER MID-RANGE SPEAKER FRONT CENTER TWEETER FUSE 215 FUSE 220 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY/BRN WIRE GRY/RED WIRE HOT W/ LEFT REAR MID-RANGE SPEAKER LEFT REAR TWEETER NCA WIRE REAR POWER DISTRIBUTION BOX RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT BASS SPEAKER RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR MID-RANGE SPEAKER RIGHT REAR TWEETER VIO/BRN WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/RED 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