Quote:
Originally Posted by HawkeyeGeoff
Unless it's based on Ethanol content....this makes no sense.
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You should do a bit of research on it. Higher octane does not equal more power. Higher octane does allow for more aggressive timing in the engine. The lower octane is less stable than higher octane. you should run the lowest octane your vehicle can take for the most power and efficiency.
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2009 118i Monaco Blue "Maximillion"
2009 335i Saphire Black M Sport "Leopold" Cobb stage 2 aggressive tune, Mishimoto FMIC, Cobb charge pipe, Cobb catted down pipes, Forge diverter valves, BMS inlets and DCI, Cyba scoops and M Individual Audio retrofit and M3 gauge cluster retrofit.
2011 328i Titan Silver M Sport "Franzel" <--Wife's car