How many movies have Fritz Hollergschwandtner and Ingrid Koller collaborated on?

They have worked on 3 movies together! Their first movie together was Ilona & Kurti (1991) while their highest rated movie together was Ein fast perfekter Seitensprung (1996). They have not worked together since Ein fast perfekter Seitensprung (1996). They are most known for their comedy films together.