How many movies have Gunter Otto and Peter Weiner collaborated on?

They have worked on 7 movies together! Their first movie together was Die Vergnügungsspalte (1971) while their highest rated movie together was Liebesgrüße aus der Lederhose (1973). They have not worked together since Liebesgrüße aus der Lederhose 3: Sex-Express in Oberbayern (1977). They are most known for their comedy films together.