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      07-30-2010, 05:32 PM   #14
MarkR171
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Drives: SLK55 AMG
Join Date: Dec 2009
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Quote:
Originally Posted by Xinterp View Post
^ Isn't there supposedly a gain in Fuel Efficiency? Or is that the 1 Series M coupe?
Supposedly. Someone with a 2011 135i convertible who recently did a Performance Center Delivery reported 30+ MPG average on the highway. I managed this on the highway:
(CONSP = Consumption, 36.1mpg average)


A more realistic average for every day driving is in the mid 20s.

The N54s aren't too bad either though, I believe.
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2007 SLK55 AMG - Black on Gray/Black - AMG 030 Performance Package

2011 135i - Traded
///M-Sport - Dual Clutch - Harman Kardon - Bluetooth - iPod - Shadowline Kidney Grill - 225/255 Star Specs - Hotchkis Front Sway