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      05-17-2012, 09:52 AM   #11
Rick4345
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Drives: 2015 335i BSM
Join Date: Apr 2009
Location: Illinois

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Octane

I try to stick at 92 to 93 octane. If you read the label inside the fuel lid, it says to use premium. My CA said that unlike the previous versions, that it is best to use premium because of the turbocharging.