12-22-2012, 10:58 AM | #1 |
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Race gas for performance
I've been runnning 100 octane in exotic cars for a while, but was wondering if anybody is using it in their f10 m5.
if so how high are you going? my local dealer has sunoco 109, wondering if i can get away with that in the m5 as well? anybody run 100? or higher? how'd it go? |
12-22-2012, 09:00 PM | #2 |
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I have tried mixing 100 to 91 and get around 94. In my other cars ( Porsches and Ferraris) I noticed the difference. Surprisingly, on this car, I don't notice the difference when I switched it back to just 91. Even compared to when the car was running 98 in Europe, the 91 here feels the same. I am very surprised.
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12-22-2012, 09:21 PM | #3 | |
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12-23-2012, 11:27 PM | #4 |
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I think 98 in Europe equals 93 here. However, here in California, we only get 91 unless we mix it with 100 to get 93. What I am saying is that with tanks of 91 vs tanks of 93, I could not tell a difference on this car. I wonder if this car was already tuned from the factory to use 91.
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