In the 1990s he tasted touring car success, winning the DTM Championship in 1990 with Audi, before returning to Porsche until the 24 Hours of Le Mans in 1998.
Na década de 1990 saboreou éxito cun coche de turismo, gañando o campionato DTM en 1990 con Audi, antes de regresar a Porsche nas 24 horas de Le Mans en 1998.