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Old 05-12-2009, 10:23 PM   #2
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Join Date: May 2008
Location: Markham
Posts: 458
Originally Posted by AtDepth View Post
Happy spring all....

My '98 E39 528 seems to have an issue with the controller for the climate fan. It sometimes rapidly changes speeds. It sometimes will only blow on Max and sometimes won’t blow at all. It will even sometimes increase from min to max on its own.

Does anybody know what part controls the fan speed and where it would be located on my ride....

Suggestions of whether this would be a good DIY project?
If it is only the Fan speed that is acting up chances are that your FSU is on its way out... for sure this is a DIY use these instructions:

PS. Do it before it drains your battery and leave you stranded some where.
'99 E39 540iT

Last edited by MLue1; 05-12-2009 at 10:37 PM. Reason: adding info
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