How many movies have Elvira Bolz and Heidi Ulmke collaborated on?

They have worked on 5 movies together! Their first movie together was Assignment Berlin (1998) while their highest rated movie together was Rosamunde Pilcher: Wie von einem anderen Stern (2017). They have not worked together since Rosamunde Pilcher: Pralinen zum Frühstück (2019). They are most known for their drama films together.