If the fuse is blown.
E39 aux fan relay.
If the fan does not run replace the low speed resistor.
Ignition auxiliary circuits relay.
The bentley repair manual shows the location on page ecl 20.
It shows the components of the circuit as simplified shapes and the aptitude and signal friends together with the devices.
The resistor is mounted on the fan housing.
The temperature sensor screws into the back of the radiator on the reservoir side.
All diagnostic steps will be made with the assumption that the auxiliary fan system fuses are in proper working order.
Your problem is either the temperature sensor or the fan relay.
E39 auxiliary fan wiring diagram wiring diagram is a simplified up to standard pictorial representation of an electrical circuit.
Relay behind glove box bmw e39.
Tools needed was a 1 4 ratchet 8mm 10mm 13mm sockets.
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.
Pusher auxiliary fan on my 01 e38 7 series 94 01 doesn t turn on.
E39 610 5 series gt 2010 on f07 327.
F46 15a independent heater ventilation.
Fuse box location left hand drive fuse box location right hand drive 1.
It is located in the under hood e box.
This is the electrical fuse and relay box under the plastic cover in the passenger side rear of the engine bay.
F47 15a independent heater.
Ac condenser blower motor relay 2 03 98 2.
A c works good only when driving.