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      02-06-2012, 01:54 PM   #5
Cba2m5
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Drives: 2011 BMW 328i X-Drive
Join Date: Sep 2010
Location: Columbia, MO

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This actually happened to me also. Took it to the dealership and at first they replaced some bearing in the alternator. Still made the noise so took it back and they then discovered low PS fluid which led back to a leaky hose at the pump. Thank you warranty!