 Nyorai kupfuurira kweiyi ndima - Kuoneka kwokutanga kwevanhu vose kweBT50 kwakanga kuri pa 1981 British Grand Prix, apo mutyairi anotungamirira wechikwata, Nelson Piquet, akachishandisa mukuita maekisesaizi. Akaisa nguva yekudzidzira 0.7 masekondi zvishoma zvishoma pane zvaakakwanisa kuedza muCosworth DFV-powered BT49. BT50 yakashandiswa zvisina kunaka asi ichiri kunyorwa kuburikidza nekukurumidza kunobata, vamwe vanokurumidza kupfuura BT49. Piquet, mutsigiri akasimba weinjini yeBMW uye achitenda, saEcclestone, kuti nzira yekubudirira munguva yemberi iri pedyo yaive neinjini ine turbocharged, akaedza BT50 muna 1981. Kuedzwa kwacho kwakakanganiswa nokusavimbika; pane imwe nguva yokuedzwa paPaul Ricard circuit muFrance, chikwata chacho chakatambura kuputsika kweinjini pfumbamwe. 