How many movies have Michael Kranz and Stefan Busch collaborated on?

They have worked on 6 movies together! Their first movie together was Auf Herz und Nieren (2001) while their highest rated movie together was The Legend of Timm Thaler: or The Boy Who Sold His Laughter (2017). They have not worked together since The Legend of Timm Thaler: or The Boy Who Sold His Laughter (2017).