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      02-04-2014, 09:41 PM   #11
Gt4
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Drives: 2006 E46 M3 Estoril blue 6mt
Join Date: Jan 2012
Location: Montreal

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Quote:
Originally Posted by gmd2003 View Post
I've always run 93 octane , fortunately we have good gas in SC , can even still get ethanol free . 93 octane on a 91 tune should be more than enough .... . With the 100 I was running 95 ish .
Keep me/us update if you have any limp mode issue in the future. If the fix is to run 100 octane at the track, I might go vt2-525 instead of selling my ESS kit.
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