2008
| | Procar BMW M1 Revival | | Position: no position | 2 races. 0 wins. ? pole positions. ? podiums. ? fastest laps. | | Car: BMW M1 | | Complete results needed. |
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| | | Speedcar Series | | Position: no position | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Phoenix Racing | | Car: Speedcar V8 |
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| | | Aston Martin Asia Cup | | Position: no position | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Car: Aston Martin Vantage N24 | | Complete results needed. |
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2007
| | Mini Challenge Germany | | Position: 27 (29 points) | 2 races. 0 wins. 1 pole position. 0 podiums. 0 fastest laps.
| | Team: Original Mini Zubehör Castrol Deutschland |
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2006
| | GP Masters | | Position: 2 (10 points) | 2 races. 0 wins. 1 pole position. 2 podiums. ? fastest laps. | | Team: Team LUK | | Car: Delta (Cosworth) | | Complete results needed. |
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2005
| | Formula 3000 Italy | | Position: 22 (1 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Durango AEZ | | Car: Lola B02/50 (Zytek) |
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| | | GP Masters | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Team Unipart | | Complete results needed. |
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2002
| | V8Star Germany | | Position: 25 (27 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: JAG Racing Team |
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2001
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1997
| | German Supertouring Championship | | Position: 29 (37 points) | 20 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: JAS Engineering | | Car: Alfa Romeo 155 TS |
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1996
| | DTM | | Position: 15 (48 points) | 26 races. 0 wins. 2 pole positions. 2 podiums. 1 fastest lap.
| | Team: Alfa Corse | | Car: Alfa Romeo 155 V6 Ti |
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1995
| | DTM | | Position: 9 (48 points) | 14 races. 1 win. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Schübel Engineering | | Car: Alfa Romeo 155 V6 TI |
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| | | PPG Indy Car World Series | | Position: 24 (6 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Project Indy |
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1994
| | DTM | | Position: 9 (88 points) | 21 races. 0 wins. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Schübel Engineering | | Car: Alfa Romeo 155 V6 TI |
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| | | PPG Indy Car World Series | | Position: 29 (2 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Project Indy |
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1993
| | DTM | | Position: 5 (161 points) | 22 races. 1 win. 1 pole position. 8 podiums. 2 fastest laps.
| | Team: Schübel Engineering | | Car: Alfa Romeo 155 V6 TI |
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| | | PPG Indy Car World Series | | Position: 30 (2 points) | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Euromotorsport |
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1992
| | PPG Indy Car World Series | | Position: no position | 8 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Euromotorsport |
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1991
| | DTM | | Position: 21 (6 points) | 15 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: MM Diebels Team | | Car: BMW M3 Sport Evolution |
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1990
| | Formula 3000 Japan | | Position: 14 (4 points) | 9 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Leyton House |
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| | | DTM | | Position: no position | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: BMW M Team Schnitzer | | Car: BMW M3 Sport Evolution |
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1989
| | DTM | | Position: 21 (46 points) | 6 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: BMW M Team Schnitzer | | Car: BMW M3 |
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| | | Formula 1 | | Position: 21 (3 points) | 4 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Rial Racing | | Car: Rial ARC-02 (Ford) |
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1988
| | DTM | | Position: 11 (151 points) | 21 races. 2 wins. 0 pole positions. 3 podiums. 1 fastest lap.
| | Team: Alpina | | Car: BMW M3 |
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1987
| | Formula 1 | | Position: no position | 14 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Zakspeed | | Car: Zakspeed 861B | | Car: Zakspeed 871 |
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| | | World Touring Car Championship | | Position: no position | 3 races. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Linder Rennsport | | Car: BMW M3 | | Complete results needed. |
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1986
| | Formula 1 | | Position: 18 (1 points) | 15 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Osella, Arrows | | Car: Osella FA1G (Alfa Romeo) | | Car: Arrows A8 (BMW) | | Car: Arrows A9 (BMW) |
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1985
| | Formula 3000 International | | Position: 1 (51 points) | 11 races. 4 wins. 2 pole positions. 7 podiums. 4 fastest laps.
| | Team: BS Automotive | | Car: March 85B (Cosworth) |
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| | | FIA World Endurance Championship | | Position: 52 (7 points) | 5 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Kreepy Krauly Racing, Cosmik Racing | | Car: March 84G (Porsche) |
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| | | Formula 1 | | Position: no position | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Zakspeed | | Car: Zakspeed 841 |
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| | | Formula 3 Macau GP | |
| Race position: 18. | | Team: Bertram Schäfer Racing | | Car: Ralt RT30 (Volkswagen) |
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1984
| | Formula 2 Europe | | Position: 5 (23 points) | 11 races. 0 wins. 1 pole position. 4 podiums. 0 fastest laps.
| | Team: PMC |
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1983
| | Formula 2 Europe | | Position: 5 (21 points) | 12 races. 0 wins. 1 pole position. 3 podiums. 1 fastest lap.
| | Team: Onyx Race Engineering | | Car: March 832 (BMW Rosche) |
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1982
| | Formula 2 Europe | | Position: 14 (6 points) | 12 races. 0 wins. 0 pole positions. 0 podiums. 1 fastest lap.
| | Team: March Racing | | Car: March 822 (BMW) |
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1981
| | Formula 2 Europe | | Position: 18 (2 points) | 12 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: March Racing | | Car: March 812 (BMW) |
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1980
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| | | Procar BMW M1 | | Position: 17 (12 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 1 fastest lap.
| | Team: Cassani | | Car: BMW M1 |
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| | | Formula 2 Europe | | Position: no position | 0 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Cassani Racing Team | | Car: Ralt RT1 (BMW) |
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