Dieter Quester
 Dieter Quester (b. May 30 1939 in Vienna) is an active touring car racing driver from Austria. Dieter has participated in 53 24-Hour Races. He competed in a single Formula One race in which he finished ninth.Starting with motorboats in the 1950s he became part of the Formula 2 team of BMW which intended to take part in the 1969 German Grand Prix. Teammate Gerhard Mitter was killed at the Nürburgring while practising with the BMW 269 though.