E46Fanatics - View Single Post - Octane placebo or logical replacement?
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Old 10-26-2012, 07:17 AM   #12
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Join Date: Oct 2007
Location: SW Michigan
Posts: 802
My Ride: '99 323i & '00 323iT
Originally Posted by peytonracer4 View Post
the octane booster stuff does nothing and won't help you.
This is what he means: The fine print on the sides of the bottles typically say something to the effect that it will increase ocatane by 5 points for however many gallons it is rated for. In real life, this translates into: moving the ocatane rating from 87 to 88 requires 20 bottles.

Last edited by sunsetcoast; 10-27-2012 at 10:24 AM.
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