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      10-19-2012, 12:28 AM   #3
Drives: 2012 650i xDrive M Sport Coupe
Join Date: Jan 2012
Location: Alabama

Posts: 834
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Mine is always off - I have a 2012...

If I had a 2013, I would always keep it off. A cool experiment would be to see what happened to the fuel economy if I drove a 2013 650xi with the system turned on to see what happened to my fuel economy. I currently get about 11 mpg (+/- 1 mpg), but I think the auto start/stop (A.S.S. ) is a BandAid on a bullet hole. I could be wrong, but I wouldn't tolerate the annyance for a few miles per gallon extra...
southern6er22 is offline   United_States
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