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      02-24-2009, 04:30 PM   #4
duke167
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Drives: 328xi
Join Date: Oct 2008
Location: New york

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thanks for the picture, i know what that's now!
I also agree that they have nothing to do with those whistling noise, i guess the adviser just bs...

Actually I still hear those whistling noise when I ran over bumps, it's less serious though. Any idea what generate those whistling noise? suspension?

I recorded those sound in my iphone, I can upload that here if that will help. Thanks.

Dk
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