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      11-14-2010, 11:34 PM   #16
mrbrett
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Drives: 2018 M4
Join Date: Oct 2007
Location: SoCal

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I have that sound in my 335is and I had it in my 335i... Get used to it, the N54 makes all kinds of interesting noises. My 335i went 50,000 miles trouble free (except HPFP) and it made that noise all the time, I could hear it alot in the garage or in a drive thru. Don't worry, you are fine.