Quote:
Originally Posted by Mr. Rothstein
Well that's where I started my post, actually :P
The fan does not speed up when the car is idle, BUT it does work and cool the engine in general. Hence my theory that maybe there's a special sensor that takes information from the AC system when to turn on the fan, and that sensor isn't working.
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Ooops.
Maybe the fan is not spinning hard enough to provide sufficient airflow? Maybe the condenser /evaporator is clogged up? Have you tried cleaning them to see if that improves anything?
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have you looked at the system at realoem?
http://www.realoem.com/bmw/enUS/part...BMW-328i&mg=64