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Old 02-02-2013, 08:11 PM   #27
Polodown
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Join Date: Jan 2013
Location: California
Posts: 8
My Ride: 2000 BMW 323Ci
Does the radiator fan have any wobble to it? Could be the water pump, the impellers are plastic and get brittle with age. This happened with my 2000 323Ci and caused a similar noise.
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