1978
DRM Deutsche Rennsport Meisterschaft
2nd
1978
6 Hours of Watkins Glen - World Sports Car
1st
1978
24 Hours of Daytona
1st
1978
6 Hours of Mugello - World Sports Car
1st
1978
6 Hours of Vallelunga - World Sports Car
2nd
1978
6 Hours of Dijon - World Sports Car
2nd
1977
22° ADAC 1000 Km Rennen - Nürburgring - World Sports Car
1st
1977
6 Hours of Silverstone - World Sports Car
3rd
1976
European GT Championship
1st
1976
21° ADAC 1000 Km Rennen - Nürburgring - World Sports Car
2nd
1976
6 Hours of Watkins Glen - World Sports Car
2nd
1976
24 Hours of Le Mans - Group 4 GT
2nd
1976
11° ADAC GoodYear 300 Km Rennen - Nürburgring
2nd
1975
European GT Championship
3rd
1975
24 Hours of Le Mans - Class GTS
1st
1973
European Touring Car Championship
1st
1973
European Touring Car Championship - Division 2
1st
1973
24 Hours of Le Mans - Class TS 5.0
1st
1972
56° Targa Florio - World Sports Car
3rd
1972
12 Hours of Sebring - World Sports Car
3rd
1971
European Touring Car Championship
3rd
1971
55° Targa Florio - World Sports Car
1st
1971
12 Hours of Paul Ricard - Touring Cars
3rd
1970
European Touring Car Championship
1st
1969
Dutch Touring Car Championship - Group 5 from 1600 to 2500cc
1st
1969
European Touring Car Challenge - Division 3
3rd