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Old 10-03-2012, 10:46 AM   #8
fjlemus
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Join Date: Sep 2010
Location: muskego,wi
Posts: 3
My Ride: bmw 325i
The noise is being induced into the power wire going from the alternator to the battery. Under the hood this wire runs together with the ignition coils wire harness, inside a platic rail in the fire wall, remove the power wire from the rail and place it as far down as possible, this should take care of the noise.
Had the same problem did this and no more whining
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