Thread: MHD Tune advise
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      09-27-2021, 09:31 PM   #10
RicardoG
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Guatemala
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Drives: 2012 1M coupe
Join Date: Sep 2012
Location: Guatemala

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More questions have come up

Right in the middle of my downpipe and FMIC install and about to go with the MHD tune. Thinking of stage2. Do I need to change my spark plugs for colder ones or will I be OK with the OEM ones?

And, will I get a SES light after the removal of the downpipe CATS? I do have the O2 sensors in their respective places. Went with the VRSF downpipes.

Thans for your input
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