How many movies have Jürgen Enz and Siggi Buchner collaborated on?

They have worked on 5 movies together! Their first movie together was Schoolgirls (1976) while their highest rated movie together was Die neuen Abenteuer des Sanitätsgefreiten Neumann (1978). They have not worked together since Das französische Frühstück (1984). They are most known for their comedy films together.