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      06-02-2023, 01:36 PM   #6
CalAcacian
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Drives: 2018 M2
Join Date: Sep 2020
Location: Orange County, California

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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..
Agreed 100%. Dealing with octane booster was a pain, and my logs indicated that I was not getting satisfactory increases in octane (lots of pulled timing etc.)

Moving to the e30 blend (safe for stock HPFP) was far better.
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