i get about 28mpg highway 6mt...if you want better mpg get a m235i...the m2 widebody causes a lot of aero drag...i got 36mpg in my buddies 8spd auto m235i..same engine.
the crank hub is more of a s55 issue..i havent heard about it on the n55
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Current Ride=2008 BMW 335xi
2017 BMW M240 Xdrive
2017 BMW M2 N55 6spd
2018 Infiniti Q60 Redsport AWD
2008 BMW 335ix
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