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      05-31-2023, 02:34 PM   #3
F87Tomei
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Drives: 2017 M2
Join Date: Feb 2023
Location: socal

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2017 BMW M2  [9.29]
Quote:
Originally Posted by Orange fever View Post
Do not use booster octane, Ieave a orange residue all over your motor and spark plugs///
You can add one 1 gallon e85 to a full tank... You get 10-15 hp more ..
Once you go down pipe. You won't go back, love the exhaust sound..
Thank you very much for that feedback. Can I add a full gallon on the stage 1 ACN OTS map or would it affect my stock HPFP?

Yea I’ve been looking at a catted down pipe, but I’ve been very hesitant because of the smog check lol.

Edit: or can I change the map to a stage 1 91/93?
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