 Nyorai kupfuurira kweiyi ndima - BRM yakanga iine ruzivo rwekare rwekugadzirwa kweganda rakasimbiswa neBRM P25, saka Rudd akanga ari munzvimbo yakanaka kuti akwanise kushandisa teknolojia itsva zvakakwana. Ichi chiitiko chakapfuura chakaratidzira kuti kushandiswa kwaRudd kwe monocoque kwakanga kwakati siyanei nefuremu yaLotus. Apo 25 yakanga iri mugero-chikamu chechimiro nechepamusoro chakazaruka, mukati umo mutyairi akagara, chassis yeP261 yakanga iri yakatetepa tubular-chikamu, umo gomba rakagurwa kubvumira mutyairi kuwana kuwana. Kutsiva subframe P61 wacho divi pontoons pamusoro P261 chassis vakanga akatambanudza shure mutyairi chigaro, uye injini yakanga yakaiswa pakati pavo. Mukati mezvikepe zvacho, paiva nemabhokisi emarara aichengeterwa mafuta. Izvi zvakakonzera zvinetso pakutanga kwehupenyu hweP261, sezvo BRM itsva, yakakwirira-yekutsvaira shanduro ye P56 V8 injini yakanga isati yagadzirira kutanga kwemwaka wa1964, uye maburi aifanira kudimburwa mumapontoni kubvumira mapaipi ekutsvaira ekare, yakaderera-yekutsvaira shanduro kuti ipfuure kuburikidza navo. Injini yokudzinga iri pakati yakaoneka pa1964 Italian Grand Prixmuchasi itsva yaGraham Hill 2616 uye iyi ne2617, iyo yakanga iri motokari yaJackie Stewart ya1965, ndiyo bedzi P261s mbiri dzakanga dzisina zvimbambaira. Idzi dzakanga dzakapfekedzwa pamusoro pemotokari dzekare dzakaramba dziri mubasa, asi dzaigona kuvhurwa kana zvichidikanwa kuti dzikwane kunze kweinjini dzinoputika, sezvakaitika mu1967 Tasman Championship. 