E39 Aux Fan Resistor Test

The aux fan connector is located with the engine open tucked down by the bumper.

E39 aux fan resistor test.

Being short of time in a fit of stupidity i took the car to the stealer who charged me a ridiculous amount of money to replace the. The blower motor resistor plays an important part in the luxury provided by bmw as it is intricately related to the functioning of the ac system. Click below for auxiliary cooling fans. A c is all original as was the cooling system until very recently.

Last week i lost the a c blower function i e the a c system comes on and the compressor kicks in but their is no forced air in the system. Tools needed was a 1 4 ratchet. Here are the details about it signs of its failure and ways you can fix the blower motor resistor. This is for a 2001 e39 540i with about 83 000 miles.

One other way to check this would be to bench test it by applying power and ground to the aux fan from the connector for the fan. 5 series 97 03 e39 610 5 series gt 2010 on f07 327 5 series sedan 04 10 e60 468. Bmw e38 e39 auxiliary fan resistor repair kit genuine new oem visit the bmw store. Auxiliary fan resistor repair kit brand new part with full 1 year warranty.

Test fan motor remove the high speed relay. Make sure this fits by entering your model number. The motor and resistor packs are ok the resistors are mounted on the fan housing. Disconnect the connector and make sure you have the fan side and not the vehicle side.

This fits your. However it is susceptible to failure which will affect the luxury of driving a bmw. Bmw part 67 32 8 371 873 check fit below.