 Complete the following phrase:  The 1989 season saw much improvement. The all-new, Cosworth DFR-powered Osella FA1M was a big step ahead, and ultra-sticky qualifying tyres from Pirelli brought some success, at least in the qualifying sessions most notably in the Japanese Grand Prix, where Larini qualified 10th. The fine qualifying performance brought no results in the races; the Osella cars almost never saw the finish line due to several technical failures. The most tragic race was the Canadian Grand Prix in which Larini was third before the FA1Ms electrics failed due to water ingress. Piercarlo Ghinzani re-joined the team for 1989 with limited success, often failing to qualify. He announced his retirement at the season ending 