DPC (Dynamic Performance Control) is currently only on the X6 (maybe on the X5M?). Hopefully DPC makes it onto the 2011 X5. It drastically improves handling by transferring power not only front/rear, but also left/right (on the rear axle only).

__________________

*2010 X5d - Space Gray/Black Nevada/Dark Bamboo|ZPP|ZAP|ZCW|ZTP|ZRC|322|328|386|4NC|4UB|655 |6FL
~Ordered 8/27; Production began 9/28 at 12:20pm; Completed 10/7; Delivered 11/4!~
*2008 535i Black/Black - Dinan Exhaust & S2 Software
*1995 318ti Clubsport - Hellrot Red (autocross/fun car!)
Past: 2005 X3 3.0i; 2009 335xi