2002 BMW 525i Engine Fan

2002 BMW 525I
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PETRA
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2002 BMW 525i 6 cyl Automatic 116000 miles

when I turn the ac on, the engine fan sounds like it is a plane engine revving up to take off. The R&R radiator, alternator belt, electric fan assembly and switch, were changed but the problem was not solved. My car sounds as if it would break any minute.

Yes, i think thats correct. it the fan on the outside of the radiator.
Oct 5, 2009 at 10:17 AM
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DOCHAGERTY
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Do you mean the auxiliary fan?
Oct 7, 2009 at 9:02 AM