Originally Posted by PhillyNate
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.
Yep Canadian M3's got it in 2011 and they are set to default and must be turned on to work,which is a good thing!