How many movies have Arnim Mühlstädt and Eberhard Borkmann collaborated on?

They have worked on 4 movies together! Their first movie together was Hauptmann Florian von der Mühle (1968) while their highest rated movie together was Neues aus der Florentiner 73 (1974). They have not worked together since Chirurgus Johann Paul Schroth (1981). They are most known for their comedy films together.