Cooling fan circuit for BMW 3 series G20/G21 (2018-2023)
Cooling fan circuit
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