Quote:
Originally Posted by sparkyg
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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So far I am getting around 17mpg at about 65% city / 35% highway - that is up from about 14 in the E90.
The larger gas tank is a nice plus as well.