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      02-19-2014, 04:02 PM   #16
catpat8000
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Drives: 2019 M5
Join Date: Mar 2010
Location: California

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Quote:
Originally Posted by GrussGott View Post
I was filling up before a canyon drive today and ... holy crap! 100 Octane??

After a quick search here I found you should mix at most 2:1 91:100 since anything more won't help you with a stock ECU ... not sure if that's right or not and I didn't try it but I'm thinking I should!

Anybody else run across 100 Octane just laying around at the gas pump?
The 76 station at 3010 Almaden Expressway, San Jose had 101 octane on tap this past Saturday (02/15/2014). It was pricey though ($7.65/gal, IIRC)

I've been buying racing gas from this station for at least 6 years.

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