1988: European Touring Car Championship, Bigazzi, BMW M3 Evo - 18th, 10 races;
DTM, BMW M3 - 48th, 2 races;
1987: European Touring Car Championship, Linder Rennsport, BMW M3 - 1st, 7 races, 3 wins, 6 podiums;
FIA World Touring Car Championship, Linder Rennsport &Bigazzi, BMW M3 - 21st, 8 races, 1 podium;
1986: European Touring Car Championship, Linder Rennsport, BMW 325i - 4th;
1985: DTM, Linder Rennsport, BMW 323i - 10th, 10 races, 1win, 2 podiums;
European Touring Car Championship, Linder Rennsport, BMW 323i - 20th;
1984: DTM, Immo Klein, BMW 323i - 4th, 13 races, 1 win, 4 podiums;
1981: DRM (German Racing Championship), Team Postert Toyota, Toyota Celica - 25th, 11 races;
1980: DRM (German Racing Championship), Team Postert Toyota, Toyota Celica - 49th, 3 races;
World Challenge for Endurance Drivers, Berkenkamp Ford, Ford Escort RS2000;
1979: DRM (German Racing Championship), Cavallo-Matras, BMW 320 - 29th, 10 races;
1978: DRM (German Racing Championship), BMW 320 - 2 races;