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      03-13-2020, 10:08 PM   #5
thebmw
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Drives: More Manuals than Automatics
Join Date: Feb 2010
Location: Illinois

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Absolutely no issue. Octane has NOTHING to do with quality. It simply refers to the combustiblity, which affects knock. Fill the cheaper gas to your heart's content and save some money. Might see lower mpg and power though.
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