BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post

BMWbill · 01-31-2014, 10:07 AM

test both and you'll find your stock F30 runs the same with 89 or 91. (American Octane rating)
Placebo effect is a powerful thing though. My car is always faster after I wash it.

01-31-2014, 10:07 AM	#13
BMWbill BMW Enthusiast 31 Rep 237 Posts Drives: F31 M-Sport wagon, E46 M3 Join Date: Nov 2013 Location: Long Island NY iTrader: (0)	test both and you'll find your stock F30 runs the same with 89 or 91. (American Octane rating) Placebo effect is a powerful thing though. My car is always faster after I wash it. __________________ F31 Estoril Blue Wagon \| E46 Phoenix Yellow M3 \| 1958 BMW R50 \| 1981 BMW Café Racer My BMW café racer on BikeEXIF
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