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      01-21-2008, 12:26 AM   #23
GregW / Oregon

Drives: 2015 M4 Coupe, 2012 ML350
Join Date: Nov 2005
Location: Lake Oswego, OR

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Originally Posted by Epacy View Post
Dude, that is the term. Don't chastize me for using BMW's term. The technology is still useful for the NA market.
No, "regeneration" is not subject to interpretation except in BMW marketing. I'm only trying to get you to understand what it should mean. In hybrids and electric cars, braking force is resisted by motor-generators that create power from the dissipating the momentum of the car. No way the M3 has any system like this. All BMW is doing is disengaging the alternator during load conditions, which does save energy. The power it is producing under overrun is normally produced in any car. The energy that is saved is the force to drive the alternator along at higher load conditions. I agree it is an efficeincy, but IMO they are stretching the language.

Greg Lake Oswego, Oregon, USA
2015 M4 Coupe - Silverstone/Sakhir/CF
2012 ML350