I had the same issue but was able to install control properly with help. Had wife switch from normal mode to sport repeatedly until control drop in place.
Yes, it is. When I first drove the car, it pulled some hard my friend said, "Do you know how to drive?". Unsure, if I turned it off using the GUI or thru Bimmer Code. In any case, it has stayed off. Look under System or Vehicle settings. GUI: Graphic User Interface.