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      05-21-2012, 09:40 AM   #5
eric@helix's Avatar
Drives: 01 M Coupe, 08 135i, '12 328i
Join Date: Jul 2007
Location: Philadelphia

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Originally Posted by steve7909 View Post
I have been hearing a rattel a lot more after my dp install an running map 2 on my jb4. Im almost sure its the waste gate, only happens when i let off the gas at high boost an more so when its cold
If only it were that simple. The DPs will make the sound much more apparent, especially at cold start.
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