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AcidLotus · 08-20-2012, 08:44 PM

I sometimes run a 50/50 mix of E85 on the JB4 and get about 2 more peak PSI on the gauge. It's awesome! Gas mileage goes down by about 2 MPG tho, not from flooring it more, but because ethanol always gives you less mpg but more octane.

08-20-2012, 08:44 PM	#11
AcidLotus Second Lieutenant 35 Rep 271 Posts Drives: 2020 X3 M40i, 2014 640i Join Date: Oct 2011 Location: Houston iTrader: (5)	I sometimes run a 50/50 mix of E85 on the JB4 and get about 2 more peak PSI on the gauge. It's awesome! Gas mileage goes down by about 2 MPG tho, not from flooring it more, but because ethanol always gives you less mpg but more octane.
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