Nuns on the Run

The building was used for some of the hospital scenes in this 1990 film starring Eric Idle and Robbie Coltrane.  For example, the main entrance lobby can be seen at 1h18m29s: 

The full movie appears to be available on youtube here: https://www.youtube.com/watch?v=ihIbkXd59NQ

A band called "Shop Assistants" recorded a music video for "I Don't Want To Be Friends With You" on the roof, in 1986.

Greyscape, a site which is "a place to explore Brutalism, Modernism, Constructivism and the concrete world" has done an article on Bruno Court:

https://www.greyscape.com/bruno-court-german-hospital/