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      02-16-2012, 02:14 PM   #8
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Drives: 2016 M3
Join Date: Jul 2010
Location: Dallas, TX

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Originally Posted by mapezzul View Post
Really? Not what I've experienced. It is set to be active by default and is overridden but the switch- the EPA tests by DEFAULT so BMW would make this on by default to get the best MPG, no sense in offering a technology that costs about $500 per unit with no EPA acknowledgment and yes it does work in the EPA test.
I probably spoke to soon. We don't know if it will default to Off, or On with the X3. On my M3, it is default to Off, but on the F10 I remember now it defaults to On.

Last I saw, the EPA doesn't take Stop/Start into account for CAFE ratings.