Kammala wannan jumla: Ba a shirya sabon samfurin a lokacin kakar 1963. Don kiyaye P57 gasa, an saka gearbox mai saurin 6 a cikin injin, wanda kuma ya ƙunshi sabon tsarin allura. Gasar farko ta 1963, Monaco Grand Prix, ta kasance kamar maimaita shekarar da ta gabata. Clark ya jagoranci daga matsayi na farko kafin Lotus mai rauni ya karya, ya ba Hill na farko daga cikin nasararsa biyar na Monaco Grand Prix. Koyaya, matsaloli tare da sabon gearbox sun tilasta Hill ya yi ritaya daga Grands Prix biyu masu zuwa yayin da Clark ya sami nasarori 4 a jere. Clark ya lashe uku daga cikin tsere biyar da suka gabata kuma ya shiga gasar zakarun Turai. Hill ya sake samun nasara a Amirka, amma hakan bai ta'azantar da shi ba. A Jamus da kuma
Italiya, Hill ya tuka sabon BRM na P61, amma matsalolin sa sun tilasta BRM komawa zuwa P57. Hill da Ginther sun haɗu da podiums 10 tare, kuma sun kasance na biyu da na uku a gasar zakarun Turai. Abubuwa 29 na BRM sun sanya su a bayan Lotus kawai.