You want all of the parameters to be properly met so that everything.
Bmw e46 cooling fan relay location.
For cars from 1999 model year without headlight washers.
The bentley repair manual shows the location on page ecl 20.
For the bmw 3 e46 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 model year.
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 not blown the most likely fault is the final stage unit or the fan motor.
If the fuse is blown replace it and see what happens.
This is the electrical fuse and relay box under the plastic cover in the passenger side rear of the engine bay.
This relay location requires that the glovebox be removed for access.