Quote:
Originally Posted by txshriner
Ours just turned 10,000 miles and at just over 10mpg we were not impressed with the mpg. Almost to the mile after hitting 10k our M started saying 18-20 mpg on the dash so I checked it on the last tank and the calculator gave it 17.4!
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10ish' mpg = sports, M mode. 17mpg = grandpa mode.
how do you drive it? I had 22k miles on my 2010 M and it never changed...