 Reverse was accomplished not by including a reverse gear in the transmission but by reversing the rotation of the engine itself.KR200 production expanded to three models in 1957 with the introduction of the "Kabrio" convertible and the KR201 Roadster.Production of the KR200 was heavily reduced in 1962 and ceased in 1964

In 1956, Messerschmitt was allowed to manufacture aircraft again and lost interest in Fend's microcars.