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guillaume guillaume is offline
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Join Date: Jan 2020
Car: bmw 320i xdrive 2014 n20
Default Bmw 320i 2014 best fuel for making power safely - 07-02-2020, 04:20 PM

What is the best fuel or aditive that i can use for making more power safely, or boost the octane, i have a jb4 with flex fuel conector, should i run ethanol?if yes what blend? I dont think that i can run more than 40% ethanol, I see vp racing fuel octane booster, ....
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