The 1980s

1980    IMSA GT-GTO-GTU Championship, USA
1980    SCCA Trans Am, GT3 Championship, USA
1981    24h Le Mans over-all winner
1981    European Touring Car Championship
1982    IMSA GT-GTO-GTU Championship, USA
1983    European Hill Climping Championship
1984    24h Le Mans over-all winner
1985    IMSA GT-GTO-GTU Championship, USA
1985    Interseries
1986    Manufacturer World Championship
1986    German Formula-3 Championship
1987    Touring Car World Championship
1988    24h Nürburgring, over-all winner
1989    24h Daytona, USA, over-all winner
1989    German Touring Car Championship