Has there ever been a 11–1 in the Bundesliga?

Yes, 2 times.

The first time: November 27, 1971, Bayern München beat Borussia Dortmund (Bayern München 11–1 Borussia Dortmund).

The last time: November 6, 1982, Borussia Dortmund beat Arminia Bielefeld (Borussia Dortmund 11–1 Arminia Bielefeld), 43 years ago.

Home wins: 2. Away wins: 0.

Nearby scores

1. 12–0 1 time
2. 12–1 Never
3. 12–2 Never
4. 11–0 1 time
5. 11–1 2 times
6. 11–2 Never
7. 10–0 2 times
8. 10–1 Never
9. 10–2 Never

All games

1. November 6, 1982 Borussia Dortmund 11–1 Arminia Bielefeld
2. November 27, 1971 Bayern München 11–1 Borussia Dortmund