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      05-19-2012, 08:55 PM   #4
ThunderMoose
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Drives: 2009 C2S and 2003 E46 M3
Join Date: Aug 2010
Location: League City, TX

Posts: 951
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SMG-II is going to typically keep you in the best MPG range in Auto mode. Mileage of M3 isn't very good overall.
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