Thread: eBay downpipe
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      08-25-2019, 12:37 PM   #26
neejay
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Drives: 2011 535i M-Sport
Join Date: May 2015
Location: Atlanta, GA

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Quote:
Originally Posted by paul223 View Post
I will test it today and tomorrow. Will report back.
Just following up to see if you're getting a CEL. I received my RM Motors 200 cel downpipe, and have an appointment this coming Wednesday. I'm trying to see if I want them to install this spark plug defouler I have or not, based on your findings.

EDIT: Based on spacing, I think I'll try my luck without the defouler first, and it looks like I can add it myself later if needed (without removing the downpipe). The bung on the RM downpipe also looks a little more backed out of the exhaust flow than the stock one.

Last edited by neejay; 08-26-2019 at 05:43 PM..
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