There was discussion of this starting at P85D Front Motor Died.When I bought my car, the dual motors were billed as a redundant safety feature. Specifically the rep told us that if one motor were to go out, we could always use the 2nd to continue driving until repairs can be made. Is this not the case here?
Sorry to hear about the problem. A car that shuts off critical parts like motors and steering assist is a serious danger. Please keep us updated!
Loosing servo power is not dangerous in any way, at speed you'll not necessarily even notice it depending on the setting.
Losing motor(s) would be comparable to an engine or fuel problem. Not desirable, but not "serious danger"