In older 3 series model cars like the e46 this was accomplished with a belt driven fan on a thermo activated clutch hub.
Bmw e90 radiator fan relay.
Dynamic stability control dsc or.
The bmw e90 cooling fan s main function is to move air through the radiator when the vehicle is stationary or moving at slow speeds.
20a bmw e90 cigarette lighter fuse.
When repairing the cooling fan and shroud are replaced as a unit.
Bmw e90 models utilize an electronic cooling fan integrated into the cooling fan shroud.
The fan is mounted between the radiator and the engine and is the main engine cooling fan.
Rear 12v socket 12v socket in luggage compartment.
On all bmw models up through the late 90s the auxiliary or main fan is controlled by one or two thermostatic switches that are mounted into the radiator side or bottom tanks.
Relay r2 cooling fan relay relay r3 catalytic converter relay r4 vacuum pump relay relay r5 receiver transmitter relay r6 direction indicator.