How many movies have Eckhard Winkhaus and Sigi Rothemund collaborated on?

They have worked on 3 movies together! Their first movie together was Schachmatt (2005) while their highest rated movie together was Ein Fall für den Fuchs - Das Spiel ist aus (2006). They have not worked together since Ein Fall für den Fuchs - Das Amulett der Inkas (2006). They are most known for their crime films together.