The first race of 1975 was the 1975 Argentine Grand Prix when Andretti retired with transmission failure. Before Brazil Parnelli changed their tyre supplier to Goodyear after Firestone's decision to quit racing but the American finished seventh. Andretti finished 17th at the South African Grand Prix but stopped the car with eight laps to go with transmission failure. At Spain Vittorio Brambilla (March) tangled with the American; Andretti's car hit the back of Niki Lauda (Ferrari), sending him into Lauda's teammate Clay Regazzoni. Lauda was out immediately, while Regazzoni took his car to the garage and was sent back out. After the first corner confusion resolved, James Hunt (Hesketh) was shown as the leader. Andretti had managed to keep going, and was running in second. He took the lead when Hunt crashed but the American retired with broken suspension. The Monaco Grand Prix saw Andretti retire when he entered the pits with his car on fire, caused by an oil Leak. The team skipped Belgium because Andretti and the Parnelli team were racing at the Indianapolis 500. The American finished fourth at Sweden. The team skipped the Dutch Grand Prix because Andretti and the Parnelli team were racing in the United States again. The American finished fifth at France. Andretti finished 12th at the British Grand Prix. The American finished tenth at Germany. Andretti retired from the final three races, spinning off at Austria, Crashing at Italy and with broken suspension at the United States.