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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 11-14-2012, 11:04 AM   #1
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Join Date: Nov 2012
Location: California
Posts: 2
My Ride: 2004 E46 Wagon
Post Aux Fan Running Issue...

I have and odd Aux Fan Running Issue...

Happy to be part of this E46 Forum..! Forums like these have saved my many thousands of $$$ and met some really great people.

My Issue: I have a 2004 325 Wagon that I love. Lately the electric Aux Fan will turn on randomly and will keep running for 5 - 10 minutes after the car is off (unusually long).

If I restart the car and turn it right off, it usually stops and all is well.

Any help is appreciated, I'd hate to have to drop the $300 for a new fan and find out its a relay or temp sensor.

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Old 11-14-2012, 11:31 AM   #2
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Join Date: Sep 2009
Location: Madison, GA
Posts: 1,643
My Ride: E92 335 MT Coupe
Welcome to the forum. Use the search feature and read about FSR, it may help. I had a similar issue and it turned out to be about a $70 fix.
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Old 11-14-2012, 12:34 PM   #3
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Originally Posted by tcphoto View Post
Welcome to the forum. Use the search feature and read about FSR, it may help. I had a similar issue and it turned out to be about a $70 fix.
The aux fan, not the blower fan. The FSR only controls the blower fan.
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