These cooling fans rely upon electric motor and they typically have a moderate to high slow draw which means that they are commonly controlled with a relay that relay controls the fans for the engine.
Bmw e46 cooling fan relay location.
Almost all modern vehicles rely upon electric cooling fans to pull air through the vehicle radiator to keep the engine cool.
If the fuse is blown replace it and see what happens.
Various relays in the bmw e46 the first set of relays is located behind the glovebox.
For cars from 1999 model year without headlight washers.
The bentley repair manual shows the location on page ecl 20.
This relay location requires that the glovebox be removed for access.
You want all of the parameters to be properly met so that everything.
If the fuse is not blown the most likely fault is the final stage unit or the fan motor.