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      11-05-2012, 11:44 PM   #7
SANguru
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Drives: i8, X5 50,M550i,Tesla, MP4-12c
Join Date: Aug 2007
Location: Bay Area, CA

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Quote:
Originally Posted by stealth.pilot View Post
That surprises me. I got better mileage in the 550i. The missing 8th gear really hurts highway fuel efficiency.
the tune on my 550i didn't help!