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      09-03-2012, 01:01 PM   #9
Lieutenant Colonel

Drives: 2013 BMW X3 35i
Join Date: Oct 2005
Location: Calgary

iTrader: (0)

I thought i would hate it and planned on turning it off always but was amazed at how seamless it was on the X3 35i I testdrove.

That being said, I would shut it off in thick stop-and-go traffic jams and that sort of thing but would definately leave it online for stopping at longer traffic lights etc. The first few times the auto-start/stop functioned in the 35i I drove, I didn't even know it happened. I just noticed the fan speed for the climate control go up and down and I figured it must have been an ED function or something until I realized it was going down because the engine was shutting off and then going up when releasing brake pressure due to engine starting up.