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      03-18-2012, 07:37 PM   #41
RPM90
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Drives: 340i M-sport AT
Join Date: Mar 2006
Location: Chicago

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Quote:
Originally Posted by LotusBoy View Post
All correct, and to summarize:
91 US is equivalent to at least 95 euro octane
93 US is equivalent to 98 euro octane

Note on page 1 of this post the significant power difference between standard fuel (91US) and race fuel (100US): 18HP which is around 5% !!
Just checked one of my local fuel stations, and they have a PON 110 rated gasoline. Race gas basically.
It sells for about $6.40 per gallon. Not bad if you've got software for it, considering 93 is going for about $4.20 in my area.
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