This is the electrical fuse and relay box under the plastic cover in the passenger side rear of the engine bay.
E39 aux fan relay.
Go to my website and bmw forum.
If the fan does not run replace the low speed resistor.
Relay behind glove box bmw e39.
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.
It is located in the under hood e box.
E39 auxiliary fan wiring diagram wiring diagram is a simplified up to standard pictorial representation of an electrical circuit.
Your problem is either the temperature sensor or the fan relay.
The resistor is mounted on the fan housing.
F47 15a independent heater.
Ac condenser blower motor relay 2 03 98 2.
Tools needed was a 1 4 ratchet 8mm 10mm 13mm sockets.
If the fuse is blown.
F46 15a independent heater ventilation.
Fuse box location left hand drive fuse box location right hand drive 1.
The temperature sensor screws into the back of the radiator on the reservoir side.
Ignition auxiliary circuits relay.
All diagnostic steps will be made with the assumption that the auxiliary fan system fuses are in proper working order.
A c works good only when driving.
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.