BMW has added its new M4 convertible to the range of its high-performance sportscars. It has a bold new design with striking features such as the Powerdome on the hood, the aerodynamic double-arm side mirrors, an overhanging rear and front fenders, and an automatic aluminum droptop in three sections.<br />Read more: http://www.dw.de/program/drive-it/s-9690-9798
