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      06-15-2012, 08:59 AM   #1
Noncom23
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Drives: 2011 335i Saphire Black
Join Date: May 2011
Location: Texas

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more engine growl

My old 2003 X5 4.4 had a great engine
growl with acceleration. Since I got the
PPK1, the exhaust tune is nice with
a little vibration in the back seat in
1st to 2nd or down shift.
I would like to hear a little more
growl from the front end. Air filter
drop ins have not changed anything.
Suggestions Yes I know the X was a
V8...:-)
Current 2011 335i Coupe
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Last edited by Noncom23; 06-15-2012 at 09:31 AM.
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