Driver Bio
| Nationality | German |
| Birthplace | Munich, Germany |
| Born | 4 April 1958 |
| First Grand Prix | 1985 Belgian Grand Prix |
| Last Grand Prix | 1989 Portuguese Grand Prix |
| Years Active | 1985-1987, 1989 |
| Current/Last Team | Rial |
Grand Prix Stats
| Race Entries | 46 |
| Race Starts | 36 |
| Did Not Start | 0 |
| Best Race Start | 11th |
| Best Race Finish | 4th |
| Retirements | 22 |
| First-Lap Retirements | 2 |
| Not Classified | 0 |
| Disqualified | 0 |
| Did Not Qualify | 10 |
Qualifying
| Qualifying Sessions | 46 |
| Reached Q3 | 0 |
| Q2 Eliminations | 0 |
| Q1 Eliminations | 0 |
| Did Not Qualify | 10 |
Points
| Points Scored | 4 |
| Points Finishes | 2 |
| Most Points in a Single Season | 3 |
| Seasons with Points | 2 |
Stats by Season
| Year | Constructor | Entries | Starts | Wins | Podiums | Poles | Fastest Laps | Front Rows | DNF | Best Start | Best Result | Pts Finishes | Points | Championship |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | Zakspeed | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 22nd | Ret | 0 | 0 | NC |
| 1986 | Osella/Arrows | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 11 | 11th | 6th | 1 | 1 | 18th |
| 1987 | Zakspeed | 15 | 15 | 0 | 0 | 0 | 0 | 0 | 9 | 16th | 7th | 0 | 0 | NC |
| 1989 | Rial | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 26th | 4th | 1 | 3 | 21st |
Stats by Constructor
| Constructor | Years | Entries | Starts | Wins | Podiums | Poles | Fastest Laps | Front Rows | DNF | Best Start | Best Result | Pts Finishes | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zakspeed | 1985, 1987 | 17 | 17 | 0 | 0 | 0 | 0 | 0 | 11 | 16th | 7th | 0 | 0 |
| Osella | 1986 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 6 | 25th | Ret | 0 | 0 |
| Arrows | 1986 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 5 | 11th | 6th | 1 | 1 |
| Rial | 1989 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 26th | 4th | 1 | 3 |
Teammates & Qualifying Head-to-Head
| Teammate | Years | Races | Qualifying H2H |
|---|---|---|---|
| Piercarlo Ghinzani | 1986 | 6 | – |
| Thierry Boutsen | 1986 | 10 | – |
| Martin Brundle | 1987 | 15 | – |
| Volker Weidler | 1989 | 10 | – |
| Pierre-Henri Raphanel | 1989 | 3 | – |
