How many movies have Jürgen Lenz and Roland Oehme collaborated on?

They have worked on 4 movies together! Their first movie together was Ein irrer Duft von frischem Heu (1977) while their highest rated movie together was Einfach Blumen aufs Dach (1979). They have not worked together since Farssmann oder Zu Fuß in die Sackgasse (1991). They are most known for their comedy films together.