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Old 09-07-2011, 03:38 PM
Mtnman42 Mtnman42 is offline
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Location: Pittsburgh, PA
Join Date: Sep 2011
Posts: 83
Mein Auto: '07 525xi/6, '08 535xit/A
Maybe Not FSU

I apologize if this was covered. I did not read this thread carefully, but me fan motor stopped working abruptly. I assumed it was the FSU. I ordered one and went to install it. No go. So I found this post and did this test to see if the fan Motor was broken:

I tried jumping the fan motor by this method:

When I tried this the motor worked! I then hooked up the new FSU and all has worked for 2 months. I have not tried the old FSU. I prefer to leave well enough alone.

So I have to question how many FSUs are blamed for the fan being stuck or whatever happened to mine.
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