BMW 3 series G20/G21 (2018-2023) relay energized Wiring diagrams

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

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

BODY DOMAIN CONTROLLER BRN WIRE ELECTROMECHANICAL POWER STEERING ENGINE COMPARTMENT POWER DISTRIBUTION BOX FUSE 210 FUSE 401 GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES PNK/BLU WIRE REAR POWER DISTRIBUTION BOX RED WIRE RELAY ENERGIZED STEERING TORQUE SENSOR

BLK WIRE BRN WIRE ELECTRONICS TOUCH DETECTION FUSE 57 GRN/BLU WIRE HEATED STEERING WHEEL SWITCH LEFT MULTI-FUNCTION STEERING COLUMN SWITCH CLUSTER NCA WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX STEERING COLUMN SWITCH CLUSTER STEERING WHEEL HEATER STEERING WHEEL MODULE VIBRATION ACTUATOR

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) 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

BLU/WHT WIRE BRN WIRE BRN/ORG WIRE DRIVER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT LUMBAR SUPPORT SWITCH DRIVER'S SEAT PNEUMATIC PUMP DRIVER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK FRONT PASSENGER LUMBAR SUPPORT SWITCH FRONT PASSENGER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT PASSENGER SEAT PNEUMATIC PUMP FUSE 64 FUSE 65 PASSENGER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK RED WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX W/ ELECTRICAL SEAT ADJUSTMENT W/ MEMORY W/O ELECTRICAL SEAT ADJUSTMENT W/O MEMORY WHT/RED WIRE WHT/YEL WIRE

ANTI-THEFT SYSTEM BRN/BLK WIRE COMPUTER DATA LINES SYSTEM ELECTROCHROMIC INTERIOR MIRROR FUSE 59 GRY WIRE GRY/BLK/YEL WIRE HIGH BEAM ASSISTANT SENSOR, CONTROL HOT W/ LED ANTI- THEFT ALARM SYSTEM RED/BLU WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX YEL/BLK WIRE YEL/WHT WIRE

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

BRN WIRE DRIVER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT PNEUMATIC PUMP DRIVER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK FRONT PASSENGER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT SWITCH FRONT PASSENGER SEAT PNEUMATIC PUMP FUSE 64 FUSE 65 PASSENGER SIDE SEAT ADJUSTMENT SWITCH BLOCK RED WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX W/ ELECTRICAL SEAT ADJUSTMENT W/ MEMORY W/O ELECTRICAL SEAT ADJUSTMENT W/O MEMORY WHT/RED WIRE YEL/BLU WIRE YEL/WHT WIRE