His 1976 contribution to the BMW Art Car Project was a white BMW 3.0 CSL overlaid entirely by small black checkers, resembling graph paper. Over that base he painted thin geometric outlines in black.

‘Pop Art’ would eventually return to the collection in 2010, when Jeff Koons took the Art Car – an M3 GT2 – back ... BMW’s 1962 sedan, include, a brand new design language, a 3D head ...