BRM 4-cylinder engine

The BRM 4-cylinder engines are a series of four-stroke, naturally-aspirated, , inline-four Formula One racing engines, designed, developed and built by British Racing Motors, between and . They were exclusively used by BRM; and powered the BRM team cars. It was constructed to conform the FIA engine requirements; necessitating a 2.5 L naturally-aspirated engine displacement formula. The power output for these motors were between , and .

Applications BRM P25 BRM P48

Formula One Championship results Year Entrant Chassis Engine Tyres Drivers 1 2 3 4 5 6 7 8 9 10 11 Points WCC Owen Racing Organisation BRM P25 BRM P25 2.5 L4 ARG MON 500 BEL FRA GBR GER ITA n/a n/a Mike Hawthorn DNS Ret Tony Brooks DNS Ret Ron Flockhart Ret Owen Racing Organisation BRM P25 BRM P25 2.5 L4 ARG MON 500 FRA GBR GER PES ITA n/a* n/a* Ron Flockhart Ret Ret Roy Salvadori DNQ Herbert MacKay-Fraser Ret Jack Fairman Ret Les Leston Ret Owen Racing Organisation BRM P25 BRM P25 2.5 L4 ARG MON NED 500 BEL FRA GBR GER POR ITA MOR184th Harry Schell 5 2 5 Ret 5 Ret 6 Ret Ret Jean Behra Ret 3 Ret Ret Ret Ret 4 Ret Ret Maurice Trintignant Ret Joakim Bonnier Ret 4 Ron Flockhart Ret Owen Racing Organisation BRM P25 BRM P25 2.5 L4 MON 500 NED FRA GBR GER POR ITA USA 183rd Harry Schell Ret Ret 7 4 7 5 7 Ron Flockhart Ret 6 Ret 7 13 Joakim Bonnier Ret 1 Ret Ret 5 Ret 8 British Racing Partnership BRM P25 Stirling Moss DSQ 2 Hans Herrmann Ret Owen Racing Organisation BRM P25 BRM P48 BRM P25 2.5 L4 ARG MON 500 NED BEL FRA GBR POR ITA USA 84th Graham Hill Ret 7 3 Ret Ret Ret Ret Ret Joakim Bonnier 7 5 Ret Ret Ret Ret Ret 5 Dan Gurney NC Ret Ret Ret 10 Ret Ret

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