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Old 01-10-2013, 03:42 AM
BMW 3-SERIES BMW 3-SERIES is offline
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Location: Arizona
 
Join Date: Jun 2007
Posts: 422
Mein Auto: 2000 540i Sport (E39)
Might be transmission filter. Aftermarket ones have weak plastics and bend than cause noises like whining. Could be valve-body
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