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BostonM235xi · 11-22-2018, 04:14 PM

Sub-zero Octane difference between 93-91 - the timing is lowered by 1-2 degrees and boost is lowered by 1-2 depending on rpm. Estimating difference is about 20-25 hp/tq

11-22-2018, 04:14 PM	#3
BostonM235xi First Lieutenant 130 Rep 314 Posts Drives: 2015 BMW M235xi Join Date: Aug 2018 Location: Nokomis, FL iTrader: (1)	Sub-zero Octane difference between 93-91 - the timing is lowered by 1-2 degrees and boost is lowered by 1-2 depending on rpm. Estimating difference is about 20-25 hp/tq __________________ Kiel McCaul
	Appreciate 2 SUB-ZERO293.50 FSociety3816.50 Quote