The car is very much a concept, meant more to inspire BMW's own designers and engineers rather than excite the public, but now we're excited about shape-changin, fabric-covered cars, anyway.

As ever, the finest of these BMW cars also often boasts gobs of power ... grippy tires that stick to the road like Velcro to ...

BMW has attempted to make up for any compromises in refinement caused by its return to a fabric roof with new technology ... arrangement of the outgoing car. The switch from roof-down to roof ...