Shot himself in a railway carriage between Hamburg and Berlin.
6 seconds sound clip from the The Remains of the Day movie soundboard.
You can hear this line at 00:28:49 in the Blu-ray version of the movie.
Quote context
[...]
- I had a German friend, Karl-Heinz Bremann. We fought on opposite sides in the war.
- My friend Bremann was ruined by inflation. Couldn't get a job in postwar Germany. Killed himself.
- Shot himself in a railway carriage between Hamburg and Berlin.
- So you see, seems this conference is crucial, and we really can't run the risk of any accidents.
- Of course, My Lord. I understand fully.
- Good. Well, I'll... leave you to think about this then, Stevens.
[...]