 Nyorai kupfuurira nokuda ndima iyi - uye, pane zvinopesana, vaiva dzakaonda makore nokuda M12. Injini iyi yaionekwa seyakanyanya simba muF1 panguva iyoyo, ichigadzira ingangoita mune yekukodzera trim na1985, uye Piquet akatora mapundu mapfumbamwe muna 1984 chete. Zvisinei, kuvimbika kwemuchina uye kusimba kweinjini pasi pemutoro wakazara zvakatambura zvakanyanya, nekuputika kweinjini uye kutadza kwe turbo kuva zvinoitika zvakajairika. Uyezve, neFISA ichitema muganho wepamusoro wemafuta emarita mazana maviri nemakumi maviri pamakwikwi kudzokorora mafuta kwakabvumidzwa muna 1982 na1983, iyo 4-cylinder BMW yakatambura nekushandisa mafuta zvakanyanya izvo zvaiwanzoita kuti vatyairi vapere mafuta uye vakaramba vachitambura nekuvimbika kwakaderera. Somugumisiro, Piquet akawana rukundo nhatu bedzi - mujaho weCanada noweDetroit wa1984, uye mujaho mukuru weFrance wa1985. Ikoku kwakabvumikisa kuva rukundo rwokupedzisira rwaBrabham muFormula 1. 