Carbon fibre is cheap-ish tp buy. Carbon fibre parts are the opposite of cheap so, especially load bearing and safety critical parts with complex geometries, th

Carbon fibre is cheap-ish tp buy. Carbon fibre parts are the opposite of cheap so, especially load bearing and safety critical parts with complex geometries, those are quite expensive. The i3 was an interesting car so, and BMW for some reason fumbled the head start the car got them.