Both cars will come with an aluminum chassis, and in the case of the i8, the windshield, top, doors and fenders are made from polycarbonate glass, with the body having a drag coefficient of 0.26.
Both cars will come with an aluminum chassis, thus preserving the driving characteristics associated with all BMWs. In the case of the i8, the windshield, top, doors and fenders are made from polycarbonate glass, with the body having a drag coefficient of 0.26.