Bmw e46 electric fan fix and troubleshooting testing fan signal on dme https youtu be rdibbrn3 30.
Bmw e46 cooling fan relay location.
The bentley repair manual shows the location on page ecl 20.
Almost all modern vehicles rely upon electric cooling fans to pull air through the vehicle radiator to keep the engine cool.
This is the electrical fuse and relay box under the plastic cover in the passenger side rear of the engine bay.
For cars from 1999 model year without headlight washers.
For the bmw 3 e46 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 model year.
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.
Various relays in the bmw e46 the first set of relays is located behind the glovebox.
This relay location requires that the glovebox be removed for access.