Rubuta ci gaba don wannan sakin layi - Silvio Moser ya fara shiga tseren Formula One a gasar Grand Prix ta Jamus ta 1966, ya shiga motar Brabham BT16 Formula Two, amma bai fara tseren ba. Bayan ya yi tsere don Charles Vögele a cikin 1967 da 1968, Moser ya koma shiga ƙungiyarsa a cikin 1969, sake shiga Brabham, a wannan lokacin BT24 tare da Cosworth DFV. A gasar Monaco ta 1969
, Moser ya yi ritaya tare da matsalolin motar motar daga tseren a zagaye na goma sha biyar. A Dutch Grand Prix Moser ya yi ritaya a zagaye na 54 bayan da ya kasa. A gasar Grand Prix ta Faransa, Moser ya gama a matsayi na bakwai. A Italiya ya yi ritaya a zagaye na 9 saboda matsalar samar da mai. A Grand Prix na Kanada, ya yi ritaya a zagaye na farko bayan hatsari. A 1969 United States Grand Prix Moser ya ɗauki matsayi na shida, yana ɗaukar maki na farko tare da ƙungiyarsa ta sirri. A gasar Grand Prix ta Mexico, tseren karshe na kakar, Moser a kan hanyar zuwa matsayi na 6, don zubar da man fetur ya yi ritaya kuma an sanya shi na 11. Domin Moser ya kusanci Guglielmo Bellasi don tsara motar Grand Prix a gare shi. An kira motar ja "Bellasi" bayan mai tsara ta. Motar ba ta yi nasara sosai ba. Tawagar ta yi ƙoƙarin cancanta don tsere biyar amma Moser ya cancanci zuwa Grand Prix na Austrian kuma ya yi ritaya a zagaye na 13 saboda rashin aikin radiator.