BMW M3 Forum (E90 E92) - View Single Post - Noticable performance difference using 93 Octane vs. 91 Octane

bde · 12-04-2013, 10:14 AM

Wouldn't use a 93 containing ethanol over 91 v-power.

You can potentially have carbon build up in the cylinders over time even though it's not a DI system.

12-04-2013, 10:14 AM	#24
bde Private First Class 48 Rep 194 Posts Drives: 2024 X3 M40i, AW Join Date: Oct 2009 Location: Toronto iTrader: (0) Garage List 2024 BMW X3 M40i [0.00]	Wouldn't use a 93 containing ethanol over 91 v-power. You can potentially have carbon build up in the cylinders over time even though it's not a DI system.
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