This article is by Bill Visnic w/ Edmunds.com.The article talks about the ZF built DPC diff in the X6.Article states that Edmunds own testing finds the X6 quicker through the slalom than a 550i Sedan!!!! Article states that ALL auto enthusiast should test drive an X6....to experience the future of high performance auto stability systems. Thanks! PalBay http://www.edmunds.com/insideline/do...ticleId=127214