2011
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2010
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2009
| | Mini Challenge Germany | | Position: 18 (66 points) | 8 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Schirra Motoring | | Car: Mini Cooper |
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| | | VLN Endurance | | Position: 115 (42.51 points) | 6 races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Complete results needed. |
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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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2000
| | Porsche Carrera Cup Germany | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Grohs Motorsport | | Car: Porsche 911 GT3 Cup 996 |
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1998
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1997
| | Porsche Supercup | | Position: 7 (78 points) | 9 races. 0 wins. ? pole positions. 2 podiums. ? fastest laps. | | Complete results needed. |
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| | | Porsche Carrera Cup Germany | | Position: 4 (92 points) | ? races. 1 win. 0 pole positions. 3 podiums. 0 fastest laps.
| | Complete results needed. |
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1996
| | Porsche Carrera Cup Germany | | Position: 3 (106 points) | ? races. 4 wins. 0 pole positions. 4 podiums. 0 fastest laps.
| | Complete results needed. |
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| | | Porsche Supercup | | Position: 8 (63 points) | ? races. 0 wins. ? pole positions. 0 podiums. 0 fastest laps.
| | Complete results needed. |
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1995
| | German Supertouring Championship | | Position: 19 (94 points) | 9 races. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Isert | | Car: BMW 318is | | Complete results needed. |
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| | | Global GT Championship | | Position: 141 (11 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Obermaier Racing | | Car: Porsche 911 Carrera 2 |
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| | | Porsche Supercup | | Position: no position | ? races. 0 wins. ? pole positions. 1 podium. ? fastest laps. | | Complete results needed. |
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1994
| | Porsche Carrera Cup Germany | | Position: 2 (115 points) | 9 races. 3 wins. 0 pole positions. 6 podiums. 2 fastest laps.
| | Team: Obermaier Racing | | Car: Porsche Carrera |
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| | | ADAC GT Cup class 1 | | Position: 4 (73 points) | 8 races. 0 wins. 1 pole position. 3 podiums. 0 fastest laps.
| | Team: Wehmeier & Castrup | | Car: Porsche Carrera RSR |
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1993
| | Porsche Supercup | | Position: 7 (71 points) | 9 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Obermaier Racing | | Car: Porsche Carrera |
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| | | ADAC GT Cup class 1 | | Position: 5 (46 points) | 8 races. 0 wins. 0 pole positions. 1 podium. 1 fastest lap.
| | Team: Wehmeier & Castrup | | Car: Porsche Carrera RSR |
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| | | Porsche Carrera Cup Germany | | Position: 6 (99 points) | ? races. 1 win. 0 pole positions. 1 podium. 1 fastest lap.
| | Team: Obermaier Racing | | Car: Porsche Carrera | | Complete results needed. |
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1992
| | Porsche Carrera Cup Germany | | Position: 9 (65 points) | ? races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Complete results needed. |
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1991
| | Porsche Carrera Cup Germany | | Position: 9 (40 points) | ? races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Car: Porsche Carrera 2 | | Complete results needed. |
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1990
| | DTM | | Position: 31 (1 points) | 9 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Valier Motorsport | | Car: BMW M3 Sport Evolution |
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| | | Interserie Div. 1 | | Position: 15 (10.5 points) | 2 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Obermaier Racing | | Car: Porsche 962C |
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| | | IMSA Camel GTP Championship | | Position: 31 (18 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Alucraft | | Car: Porsche 962 |
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1989
| | DTM | | Position: 22 (43 points) | 12 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Valier Motorsport | | Car: BMW M3 |
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| | | SAT 1 Supercup | | Position: no position | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Peter Stürtz | | Car: Stürtz SMC (BMW) |
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| | | Porsche 944 Turbo Cup | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Car: Porsche 944 Turbo |
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| | | World Sports-Prototype Championship | | Position: 55 (1 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Nova Engineering (Obermaier Racing) | | Car: Porsche 962C |
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1988
| | DTM | | Position: 10 (162 points) | 21 races. 0 wins. 2 pole positions. 4 podiums. 1 fastest lap.
| | Team: Valier Motorsport | | Car: BMW M3 |
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| | | World Sports-Prototype Championship | | Position: no position | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Porsche Kremer Racing, Joest Racing | | Car: Porsche 962C |
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| | | Fuji Long Distance Series LD-1 | | Position: 3 (35 points) | 2 races. 1 win. ? pole positions. 2 podiums. ? fastest laps. | | Team: Leyton House Racing Team | | Car: Porsche 962CK6 | | Complete results needed. |
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1987
| | DTM | | Position: 5 (102 points) | 10 races. 2 wins. 2 pole positions. 4 podiums. 2 fastest laps.
| | Team: Vogelsang Valier Motorsport | | Car: BMW M3 |
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| | | Porsche 944 Turbo Cup | | Position: 4 (294 points) | 10 races. 0 wins. 1 pole position. 5 podiums. 0 fastest laps.
| | Car: Porsche 944 Turbo |
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1986
| | Porsche 944 Turbo Cup | | Position: 3 (224 points) | 7 races. 1 win. 1 pole position. 4 podiums. 0 fastest laps.
| | Car: Porsche 944 Turbo |
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| | | DTM | | Position: 33 (7 points) | 5 races. 0 wins. 1 pole position. 0 podiums. 0 fastest laps.
| | Team: HWRT | | Car: Ford Sierra XR4Ti | | Car: BMW 635 CSi |
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| | | IMSA Camel GTP Championship | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Leon Brothers Racing | | Car: March 85G (Porsche) |
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1985
| | DTM | | Position: 3 (96 points) | 11 races. 1 win. 0 pole positions. 3 podiums. 0 fastest laps.
| | Team: Obermaier Racing | | Car: BMW 635 CSi |
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| | | IMSA Camel GTP Championship | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Henn's Swap Shop | | Car: Porsche 935L |
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1984
| | DTM | | Position: 3 (147 points) | 12 races. 4 wins. 5 pole positions. 6 podiums. 5 fastest laps.
| | Team: Vogelsang Valier Motorsport | | Car: BMW 635 CSi |
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| | | FIA World Endurance Championship | | Position: 15 (36 points) | 5 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Brun Motorsport, Obermaier Racing | | Car: Porsche 956 |
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1983
| | DRM (German Racing Championship) | | Position: 6 (26 points) | 3 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: , Fritz Wagner, Brun Motorsport | | Car: BMW M1 | | Car: Wagner 002C (BMW) | | Car: Sehcar (Ford) |
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| | | FIA World Endurance Championship | | Position: 19 (20 points) | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Obermaier Racing, Brun Motorsport | | Car: Porsche 956 | | Car: BMW M1 | | Car: Sehcar C6 (Porsche) |
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| | | European Endurance Championship | | Position: 22 (20 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Jürgen Kannacher, Kremer Racing | | Car: URD C81 (BMW),URD C82 (BMW) | | Car: Porsche 956 |
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| | | IMSA Camel GT Championship | | Position: 52 (10 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Cooke Racing | | Car: Lola T600 (Chevrolet) |
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1982
| | DRM (German Racing Championship) | | Position: 16 (10 points) | 5 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Kannacher GT Racing | | Car: URD C81 (BMW) |
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| | | FIA World Endurance Championship | | Position: no position | 4 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Joest Racing, URD Junior | | Car: Porsche 935J | | Car: URD C81 (BMW) |
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| | | IMSA Camel GT Championship | | Position: no position | 1 race. 0 wins. 0 pole positions. 1 podium. 1 fastest lap.
| | Team: Andial Racing | | Car: Porsche 935 |
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1981
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| | | IMSA Camel GT Challenge | | Position: 11 (52 points) | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Complete results needed. |
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1980
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| | | Formula 2 Europe | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: URD Rennwagenbau | | Car: March 792 (BMW) |
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1979
| | DRM (German Racing Championship) | | Position: 19 (20 points) | 6 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Oppitzhauser Tuning, Hohmann Automations Technik | | Car: BMW 320 | | Car: BMW 320 Turbo |
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| | | Interserie - Div. 2 | | Position: 12 (16 points) | 6 races. 0 wins. ? pole positions. 1 podium. ? fastest laps. | | Team: HAT Lohmann, URD | | Car: Lola (BMW) | | Car: URD 679 (BMW) | | Complete results needed. |
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1978
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1977
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1975
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