Thread: Purchased M235i in NOVA With Tune Help With Emissions
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      10-17-2019, 01:31 AM   #2
235Dude
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Drives: 2016 M235i
Join Date: Feb 2009
Location: Potomac, MD

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I believe this is what you need... "N55 downpipe fix" https://www.vr-speed.com/vrsf-catles...435i-535i.html
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