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Old 02-26-2013, 07:34 PM
SuperTerp SuperTerp is offline
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Location: DMV (DC, MD, VA)
Join Date: Dec 2010
Posts: 3,384
Mein Auto: R8, M4, M5. M3, 550, 335i
Originally Posted by dunderhi View Post
It should be as good as your current mpgs or a bit better. Dinan runs it a bit leaner than BMW. My 550xi averaged 21mpgs.
Cause it was a giant and didn't have to move unless provoked

Hows the 650i no review yet?
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