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      03-22-2013, 01:20 AM   #18
krnnerdboy's Avatar
Drives: v10 m6
Join Date: Nov 2008
Location: so cal

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Originally Posted by momo3605
How do I set it for race gas? Also, in the bay area, are there any additives I can buy to get it up to race gas level? I'm not interested in doing this as a permanent thing, I just want to see how that extra 20hp/20torque feels
I used nos octane booster(offroad formula only) on my n55 x5 stage 1to boost at race gas levels. The formula is probably good for 3/30 points for octane. I didn't have any detonation on my x5 at those settings.

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