| Nation |  |
| First name | Walter |
| Last name | Grubmüller |
| Nickname | |
| Profession | |
| Born on | 00.00.0000 |
| Birthplace |
| Number of races as rider | 4 |
| Number of first places | 0 |
| Number of second places | 0 |
| Number of third places | 0 |
| Podiums in percent | 0% |
| Total points | 17 |
| Driven WM races | 3 |
| Driven EM races | 0 |
| Driven DM races | 0 |
| Driven Bahnpokal | 0 |
Performance from Walter Grubmüller compared to the following drivers
| Opponent | Pic | Country | Meetings |  |  | Won |
|---|---|---|---|---|---|---|
| Peter Collins |  |  | 0 | 3 | ||
| Alois Wiesböck |  |  | 0 | 3 | ||
| Georg Hack |  | | 0 | 3 | ||
| John Titman |  |  | 1 | 2 | ||
| Christoph Betzl | | | 0 | 3 | ||
| Anders Michanek |  |  | 0 | 3 | ||
| Hubert Diener | | | 0 | 2 | ||
| Zdenek Kudrna |  |  | 0 | 2 | ||
| Egon Müller |  | | 0 | 2 | ||
| Henny Kroeze | |  | 2 | 0 | ||
| Karl Maier |  | | 0 | 2 | ||
| Hans Nielsen |  |  | 0 | 2 | ||
| Ales Dryml |  | | 0 | 2 | ||
| Jiri Stancl |  | | 0 | 2 | ||
| Ivan Mauger |  |  | 0 | 2 |
| Date | City | Event | Lizenz | Place | Points |
|---|---|---|---|---|---|
| 24.05.1981 | Harsewinkel | WM Quali 2 | A-Solo | 13 | 5 |
| 05.10.1980 | Plattling | offenes Rennen | A-Solo | 17 | 2 |
| 11.05.1980 | Harsewinkel | WM Quali 1 | A-Solo | 10 | 9 |
| 09.09.1979 | Marienbad | WM Finale | A-Solo | 18 | 1 |