His career as a driver did not lead him into F1, but he was quick around the old Nürburgring Nordschleife circuit in endurance races, winning the 24 Hours Nürburgring several times.
A súa carreira como piloto non o levou á F1, pero participou no vello circuíto de Nürburgring Nordschleife en carreiras de resistencia, gañando as 24 Horas de Nürburgring varias veces.