In 1984 he won the Nürburgring 1000km with Stefan Bellof, racing a Porsche 956, with a notable 4th place in the 1974 Nürburgring 1000km racing a Gulf GR7 with James Hunt on the longer 22.8 km circuit.
En 1984 gañou os 1000 quilómetros de Nürburgring con Stefan Bellof, competindo cun Porsche 956, cun 4º lugar notable no 1000 kilometros de Nürburgring competindo cun Gulf GR7 con James Hunt no circuíto longo de 22´8 km.