Silvio Moser first entered a Formula One race at the 1966 German Grand Prix, entering a Brabham BT16 Formula Two car, but he did not start the race. After having raced for Charles Vögele in 1967 and 1968, Moser returned to entering his own team in 1969, again entering a Brabham, this time a BT24 with a Cosworth DFV. At the 1969 Monaco Grand Prix, Moser retired with drive shaft problems from the race on lap fifteen. At the Dutch Grand Prix Moser retired on lap 54 after his ignition failed. At the French Grand Prix, Moser finished in a good seventh position. In Italy he retired on lap 9 because a fuel supply problem. At the Canadian Grand Prix, he retired on lap one after an accident. At the 1969 United States Grand Prix Moser took sixth position, taking the first points with his private team. At the Mexican Grand Prix the last race of the season, Moser on the way to a 6th place, for a fuel leak retired and was classified 11th. For Moser approached Guglielmo Bellasi to design a Grand Prix car for him. The red car was named "Bellasi" after its designer. The car was not much of a success. The team tried to qualify for five races but Moser only qualified for the Austrian Grand Prix and retired on lap 13 due to a failing radiator.