I do. It was part of the Driver Assistance package. But discussing my attempt to enable SLI on my 550 with my tech at the dealer he mentioned this.
2014 X5 xDrive50i ZMM - Alpine White/Mocha (Mods In Progress!)
2014 Jeep SRT - 2013 Tesla Model S P85+ - Bimmerpost Featured
2013 F10 M5 - 2012 550 xDrive - 2011 M3 ZCP