Has there ever been a 7–3 in the Bundesliga?

Yes, 7 times.

The first time: April 18, 1964, Hamburger SV beat 1. FC Kaiserslautern (Hamburger SV 7–3 1. FC Kaiserslautern).

The last time: May 25, 1991, Bayern München beat Hertha BSC (Bayern München 7–3 Hertha BSC), 35 years ago.

Home wins: 5. Away wins: 2.

Nearby scores

1. 8–2 5 times
2. 8–3 1 time
3. 8–4 1 time
4. 7–2 17 times
5. 7–3 7 times
6. 7–4 3 times
7. 6–2 61 times
8. 6–3 19 times
9. 6–4 5 times

All games

1. May 25, 1991 Bayern München 7–3 Hertha BSC
2. September 22, 1990 Bayer 05 Uerdingen 3–7 1. FC Kaiserslautern
3. May 25, 1989 Bayer 05 Uerdingen 7–3 Hannover 96
4. February 22, 1986 Werder Bremen 7–3 Fortuna Düsseldorf
5. May 11, 1984 Kickers Offenbach 3–7 Werder Bremen
6. December 2, 1967 1. FC Nürnberg 7–3 Bayern München
7. April 18, 1964 Hamburger SV 7–3 1. FC Kaiserslautern