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      11-27-2009, 09:04 PM   #5
magbarn
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Drives: '17 540i Msport
Join Date: May 2009
Location: Southern CA

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Quote:
Originally Posted by AlexWK View Post
Does anyone else notice the 550i's 27 mpg consumption? Is that for real?
This is most likely imperial gallons which are larger than US gallons. This works out to between 22-23 US MPG which isn't bad for that kind of power. I wonder if the E9x M3 had this motor, would it have better MPG?
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