When repairing the cooling fan and shroud are replaced as a unit.
Bmw e90 radiator fan relay.
Relay r2 cooling fan relay relay r3 catalytic converter relay r4 vacuum pump relay relay r5 receiver transmitter relay r6 direction indicator.
Dynamic stability control dsc or.
When a bmw e90 cooling fan fails the fan will not activate or only activate at high speed.
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.
Rear 12v socket 12v socket in luggage compartment.
There is no engine driven mechanical fan.
20a bmw e90 cigarette lighter fuse.
The cooling fan is responsible for maintaining proper engine coolant temperature and a c cooling.
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.