The BMW Z41 is a sports car produced by the German manufacturer BMW. By early 2013 a new input configuration is proposed to sdrive range 18i fitted to the propeller 2 liter but deliver only 156 hp and 240 Nm. The transmissions are available in 3 versions; 6-speed manual and two automatic boxes 1 8-speed and 7-speed dual clutch having; all equipped with automatic steering wheel paddles. The z4 is a hardtop convertible roadster soundproof which takes approximately 20 seconds to be removed in its entirety and capable of being operated up to 40 km / h.