How many movies have Michael Krabbe and Rainer Oleak collaborated on?

They have worked on 3 movies together! Their first movie together was Never Mind the Wall (2001) while their highest rated movie together was 12 heißt: Ich liebe Dich (2008). They have not worked together since 12 heißt: Ich liebe Dich (2008). They are most known for their romance films together.