Having built a strong reputation in Formula Junior/Three, Formula Two and sports car racing Moser debuted in Formula One on 15 July 1967 at the British Grand Prix with a Vögele Team Cooper-ATS.
Logo de construirse unha boa reputación na Fórmula Junior/Tres, Fórmula 2 e carreiras de coches deportivos Moser debutou na Fórmula 1 o 15 de xullo de 1967 no Gran Premio do Reino Unido co equipo Vögele Team Cooper-ATS.