Privately owned cars were entered by Willi Heeks, Helmut Niedermayr, Ludwig Fischer and Willi Krakau, all using BMW engines instead of the Küchen unit favoured by the works team.
Participaron varios coches de propiedade privada pilotados por Willi Heeks, Helmut Niedermayr, Ludwig Fischer e Willi Krakau, todos usando motores BMW en lugar do Küchen do equipo oficial.