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sparkyg · 12-24-2012, 12:23 PM

Great stuff Bokke. I have an E90 M3 and I am considering the change too.

How much better is the gas mileage? Can you quantify a bit? I am at 14.5 mpg right now all the time in the city.

12-24-2012, 12:23 PM	#8
sparkyg Brigadier General 142 Rep 3,522 Posts Drives: work truck Join Date: Sep 2007 Location: Oil Country iTrader: (5)	Great stuff Bokke. I have an E90 M3 and I am considering the change too. How much better is the gas mileage? Can you quantify a bit? I am at 14.5 mpg right now all the time in the city.
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