 Complete the following phrase:  BRM kept New Zealands Howden Ganley and Englishman Peter Gethin who were joined by Spaniard Alex Soler-Roig, using the P160B specification version for 1972 before it was replaced by the P160C version mid-season. The 1972 Argentine Grand Prix saw Soler-Roig retire with an accident. Gethin also retired with an oil leak and Ganley finished ninth. Jean-Pierre Beltoise missed Argentina because of legal problems following an accident at the track that claimed the life of Ignazio Giunti in a sportscar race in January 1971. At the South African Grand Prix, the Frenchmans engine failed, the Englishman and the New Zealander were nine and fourteen laps down respectively and were not classified. The Spanish Grand Prix was a bad race for BRM with all of their drivers retired; Soler-Roig and Swedens Reine Wisell with accidents, Beltoise with a broken gearbox and Ganleys engine failed. At Monaco, the Frenchman took victory, the Englishman retired when he crashed and the Swede also retired when his engine failed. The Belgian Grand Prix saw Ganley eighth, Beltoise retire with overheating and Gethin also retire with a fuel pump failure. At 