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      07-15-2017, 08:05 PM   #22
Bmwforever9411
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Drives: 2012 BMW 650I XDRIVE
Join Date: Jul 2017
Location: Portland, OR

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Quote:
Originally Posted by thejsn View Post
Is there any risk to "tuning" an engine, is it likely to have problems any quicker than a stock engine?
I just bought the Jb4 and AR downpipes.
Appreciate 0