How many movies have Artur Brauner and Renate Engelmann collaborated on?

They have worked on 3 movies together! Their first movie together was Sex After Six (1972) while their highest rated movie together was The Vengeance of Dr. Mabuse (1972). They have not worked together since The Vengeance of Dr. Mabuse (1972). They are most known for their crime films together.