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      05-03-2017, 07:19 PM   #27
SSR Performance
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Drives: S55 -F80 / N54 -135i / N55-535
Join Date: Sep 2015
Location: Orange County, CA

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Quote:
Originally Posted by cngo View Post
I had a downpipe installed on my F30 335i at a local exhaust shop and ever since then I've been experiencing some pretty severe vibrations, but only at certain RPMs. I brought it to another local exhaust shop but they claimed they didn't see anything that could be causing it. Would you guys be willing to diagnose what may be the cause of the vibrations?
Absolutely! Go ahead and give us a call at (800) 438-2808 or shoot us a PM with some more details and we will schedule a time to take a look at it and try our absolute best to decipher the root cause of the issue.
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