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dkchang 09-13-2012 09:31 PM

Excessive noise with AC on?
I've got a 2002 325i and recently, I've noticed that there are loud engine sounds (revving sounds) when the air condition is on. It seems like the AC is amplifying the engine sounds..? Took it to the dealership and they said they didn't find anything wrong. Any ideas?

SJBimmer 09-14-2012 06:55 AM

If you have an automatic trans, it is the fan clutch. Perfectly normal. but I agree it is quite loud.

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