It started in 2011 in the States I believe. My 2011 has it but it is off by default and how it stays. I've never used it. On our cars it's a small button slightly above where the ashtray would be and in front of the shifter to the right.
"what I'm driving here...is an ending." Jeremy Clarkson
2011 Alpine White BMW M3 6mt ZCP Coupe (reluctantly sold 06/06/14)
2008 Alpine White BMW 328i 6mt Coupe (retired 06/21/11)