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      12-27-2012, 05:27 AM   #20
mlhj83's Avatar
United Kingdom

Drives: '11 E92 M3 DCT ZCP
Join Date: Aug 2011
Location: London

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Originally Posted by jaehshim View Post
Does it actually save fuel for the M3?
no, no and NO

This tech is plain silly for the M3 and we all know well that this is just a showoff annoyance for EPA standards.

I'd use that feature if i had a Toyota Camry (if they have the feature) as a daily Driver.
Erm, yes it does. Whether it's of significance to the owner is another matter. Based on my usage of a tank a week, and stop/start improving my economy by 1-2mpg (from my own experimentation), I would be saving approx. 3-4 tanks of fuel a year; insignificant to some, but if I can save, why not, it's a months worth of fuel at the end of the day.