How many movies have Franz Muxeneder and Klaus Münster acted in together?

They have worked on 4 movies together! Their first movie together was Matratzen - Tango (1973) while their highest rated movie together was 2069: A Sex Odyssey (1974). They have not worked together since Auf ins blaukarierte Himmelbett (1974). They are most known for their comedy films together.