How many movies have Rudolf Zehetgruber and Rüdiger Meichsner collaborated on?

They have worked on 3 movies together! Their first movie together was Superbug, Super Agent (1972) while their highest rated movie together was Superbug, the Craziest Car in the World (1975). They have not worked together since Superbug, the Craziest Car in the World (1975). They are most known for their action films together.