Cars have always had moving body panels. They're a necessity for about a million reasons, from egress and ingress to maintenance, to storage, to the simple construction of the vehicle. There's also ...

The BMW GINA challenged everything people expected from a car by using a moving skin instead of fixed bodywork.

There are concepts, and then there are such out-of-left-field ideas that they border on utter madness. Although perhaps they are genius, depending on your perspective. Such is the case with the BMW ...