How many movies have Bernhard Koch and Steffen Auer collaborated on?

They have worked on 2 movies together! Their first movie together was Die Welt auf Schwäbisch Live (2015) while their highest rated movie together was Die 1000 Glotzböbbel vom Dr. Mabuse (2018). They have not worked together since Die 1000 Glotzböbbel vom Dr. Mabuse (2018).