How many movies have Achim Poulheim and Ulli Stephan collaborated on?

They have worked on 3 movies together! Their first movie together was Um jeden Preis (1994) while their highest rated movie together was Zwei Leben hat die Liebe (1996). They have not worked together since Verratene Freundschaft - Ein Mann wird zur Gefahr (1999). They are most known for their tv movie films together.