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      01-20-2013, 09:52 AM   #48

Drives: 2011 MW E92 ZCP DCT
Join Date: Nov 2012
Location: San Diego

Posts: 417
iTrader: (0)

Originally Posted by mhabs View Post
Saves approx 1 mpg and my driving is 25/75% city/hwy. It sometimes may flip back on if the battery isn't fully charged...I suspect this may have to do with the fact that I have a crank pulley (may not be fully running alternator), so I just keep the feature turned off.
The dealer rep told me if you don't lock the doors and keep the key fob more than 30 meters away, the car's computer will not fully turn off. Then the stop/start won't try to turn the car off due to low battery. I don't know if he is right, but my stop/start only intermittently works.

Last edited by AshyLarryMP; 01-21-2013 at 07:45 AM.