Bmw E36 Auxiliary Fan Not Working

If the fan does not run on high speed check to see if your application is using a 5 pin relay.

Bmw e36 auxiliary fan not working.

The fan should come on at high speed. Trace the harness and fix it or bypass it. If the fan is not working yes if you idle for a long time it will get hotter. If this still fails to turn on the fan i suggest you turn off the engine for now and consider troubleshooting other aspects of the cooling fan electrical system including the low speed fan relay.

Replace the high speed relay. Auxiliary fan not coming on. Could be the fan could be the sensor. Bmw e36 m3 evolution.

If there is no power in the harness to the fan i would guess that there is a break in the wiring based on the other testing you ve done. If the fan does not run check for 12 volts at terminal 30 in the relay socket. If the fan itself is the issue the part can be costly but the replacement is relatively straightforward so long as you re careful not to damage the delicate radiator fans. If the fan is not operating check the power connector at the base of the fan and make sure it s seated.

Go to my website and bmw forum. If it does the fan motor is ok. 04 20 2008 01 29 pm 14. You could also apply 12v to the fan itself to make sure it works.

You should be careful as the current draw is substantial. The sensor is located on the passenger s side of the radiator. Go to my website and bmw forum. If you know for sure the fan is not working start there.