BMW M3 Forum (E90 E92) - View Single Post

BCMPOWER · 04-02-2008, 01:32 PM

less rotational mass would make the car slightly more efficient, I have seen better fuel economy from switch from my 19's to the 17 inch wheels. For 2 MPG however I would not give up the look of the 19's

04-02-2008, 01:32 PM	#2
BCMPOWER Captain 29 Rep 626 Posts Drives: 08 Silverstone II M3 Join Date: Dec 2007 Location: Silver Spring MD iTrader: (0)	less rotational mass would make the car slightly more efficient, I have seen better fuel economy from switch from my 19's to the 17 inch wheels. For 2 MPG however I would not give up the look of the 19's __________________
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