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      02-11-2020, 09:47 AM   #334
Happy Motoring
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Drives: OG M2
Join Date: Mar 2018
Location: Dallas, TX

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2017 BMW M2  [10.00]
Quote:
Originally Posted by ZM2 View Post
That’s right.

So, the question here is if Happy had CEL monitors set to Off bc his downpipe was throwing CELs.

If so, of course it’ll fail emissions. If not, then it’s a issue with the downpipe, not BM3.
I have not edited the stage 2 91 octane tune but I don't know what the default is set at. When I check via phone it just says choose between OEM and OFF but no selection is applied.

I had no cel running Fi sport cat so theoretically my stock tune should allow me to pass.
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