Niedermayr drove an AFM-BMW in the 1952 German Grand Prix at the Nurburgring. That year he finished second at le Mans in a Mercedes-Benz 300SL with Theo Helfrich. Later that summer he crashed into the crowd at the Grenzlandring killing 14 spectators and injuring 40 more.
Helmut Niedermayr died 36 years ago, he was 70
Walter Bäumer won the Mille Miglia in 1940 with Huschke von Hanstein. He died when his car door opened in a corner as he was being kissed by a girl. He fell out into a field, receiving a fatal wound in his neck from a sharp wooden object.