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dyzfnctional · 01-30-2014, 09:20 PM

I was flipping through the manual on my 435i and noticed that the minimum fuel grade it suggested is octane 89, should i just go with premium or maybe do every other fill of 89 and 91? Any thoughts?

01-30-2014, 09:20 PM	#1
dyzfnctional Private First Class 53 Rep 128 Posts Drives: 2024 X5 50e Join Date: Oct 2013 Location: Hawaii iTrader: (0)	Gas grade? I was flipping through the manual on my 435i and noticed that the minimum fuel grade it suggested is octane 89, should i just go with premium or maybe do every other fill of 89 and 91? Any thoughts?
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