For the bmw e39 1996 1997 1998 1999 2000 2001 2002 2003 model year.
E39 aux fan relay location.
If the fuse is blown replace it and see what happens.
E39 auxiliary fan wiring diagram wiring diagram is a simplified up to standard pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the aptitude and signal friends together with the devices.
If the fan does run replace the relay.
Go to my website and bmw forum.
If the fan does not run replace the low speed resistor.
Open the glove compartment and turn the two white quick release knobs to the left.
Remove the low speed relay and apply a jumper wire between terminals 30 and 87 in the relay socket.
How to diagnose your fan if it s in working order for 10 1998 and up bmw e38 and e39 before this date have a resistor pack that can be changed to fix this i.
Click below for low speed fan resistor.
Spare fuses and plastic tweezers are located on the fuse holder.
This is the electrical fuse and relay box under the plastic cover in the passenger side rear of the engine bay.
If the fuse is not blown the most likely fault is the final stage unit or the fan motor.
The bentley repair manual shows the location on page ecl 20.
Id your model and search.
The resistor is mounted on the fan housing.