<prompt> Pedzisa mutsara unotevera: Muna 1984, Gartner akanga awana chigaro chechipiri chenguva isina kuzara nechikwata cheItaly cheOsella chaitambura, semumwe waPiercarlo Ghinzani, achityaira FA1E isina turbo ine gore rimwe chete. Akakwaniriswa paakatanga kuita basa rake pa  <response>: 1984 San Marino Grand Prix, asi nhangemutange yake yakaguma nokurasika kweinjini. Pamakwikwi ake anotevera, Gartner akapiwa Osella FA1F itsva ine turbocharged sezvo chikwata chakasarudza kumhanya nemotokari yechipiri pamakwikwi ose akasara. Pa1984 British Grand Prix, Gartner akabvumidzwa kutanga ari pachinzvimbo chechi27 nokuti chikwata cheTyrrell Racing chakanga chichipinda mumakwikwi aya. Zvisinei, nhangemutange yake yakaguma apo akanga asingakwanisi kudzivisa tsaona yokutanga-kutenderera inobatanidza Philippe Alliot naEddie Cheever. Pashure pokukundikana kwemichina mumakwikwi maviri akatevera, akapedza ari 12 paDutch Grand Prix, mavhiri mashanu pasi pemukundi Alain Prost. 