Viknesh Vijayenthiran for Discovery News:  New materials will also play a significant role in the further evolution of the car, according to BMW. This has already started with the increasing use of carbon fiber and other composites instead of conventional steel.

Looking further forward, technologies such as rapid manufacturing and 4-D printing (3D-printed materials that change depending on conditions) will open up new possibilities.

One of the more interesting aspects of the concept is a technology called Alive Geometry which consists of 4D-printed components that can change their shape and interact with the driver.  Full Article: