01-31-2018, 06:25 PM
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#19
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BimmerPost Supporting Vendor
Drives: 07-335/12-328/18-M4/21-M4CP
Join Date: Sep 2013
Location: Las Vegas
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Quote:
Originally Posted by skip2mylou
i just got my downpipe fix from vrsf , is it safe to install and leave it on forever?on N54?
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Quote:
Originally Posted by IllSic_Design
You are NOT supposed to leave it on forever, it can and will alter your fuel trims.
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+1
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