The bentley repair manual shows the location on page ecl 20.
E39 aux fan relay location.
The resistor is mounted on the fan housing.
If the fuse is blown replace it and see what happens.
Fuse box in passenger compartment bmw e39.
For the bmw e39 1996 1997 1998 1999 2000 2001 2002 2003 model year.
Go to my website and bmw forum.
If the fuse is not blown the most likely fault is the final stage unit or the fan motor.
Click below for low speed fan resistor.
If the fan does run replace the relay.
Id your model and search.
Click below for 4 pin low speed relay.
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.
Remove the low speed relay and apply a jumper wire between terminals 30 and 87 in the relay socket.
If the fan does not run replace the low speed resistor.
Spare fuses and plastic tweezers are located on the fuse holder.
Fuses and relay bmw 5 e39.