# BRM 4-cylinder engine

The BRM 4-cylinder engines are a series of four-stroke, naturally-aspirated, 2.5 L (150 cu in), inline-four Formula One racing engines, designed, developed and built by British Racing Motors, between 1956 and 1960. 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 260–285 hp (194–213 kW), and 205 lb⋅ft (278 N⋅m).

## 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 |
| 1956 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | | ARG | MON | 500 | BEL | FRA | GBR | GER | ITA | | | | n/a | n/a |
| 1956 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Mike Hawthorn | | DNS | | | | Ret | | | | | | n/a | n/a |
| 1956 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Tony Brooks | | DNS | | | | Ret | | | | | | n/a | n/a |
| 1956 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Ron Flockhart | | | | | | Ret | | | | | | n/a | n/a |
| 1957 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | | ARG | MON | 500 | FRA | GBR | GER | PES | ITA | | | | n/a* | n/a* |
| 1957 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Ron Flockhart | | Ret | | Ret | | | | | | | | n/a* | n/a* |
| 1957 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Roy Salvadori | | DNQ | | | | | | | | | | n/a* | n/a* |
| 1957 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Herbert MacKay-Fraser | | | | Ret | | | | | | | | n/a* | n/a* |
| 1957 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Jack Fairman | | | | | Ret | | | | | | | n/a* | n/a* |
| 1957 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Les Leston | | | | | Ret | | | | | | | n/a* | n/a* |
| 1958 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | | ARG | MON | NED | 500 | BEL | FRA | GBR | GER | POR | ITA | MOR | 18 | 4th |
| 1958 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Harry Schell | | 5 | 2 | | 5 | Ret | 5 | Ret | 6 | Ret | Ret | 18 | 4th |
| 1958 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Jean Behra | | Ret | 3 | | Ret | Ret | Ret | Ret | 4 | Ret | Ret | 18 | 4th |
| 1958 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Maurice Trintignant | | | | | | Ret | | | | | | 18 | 4th |
| 1958 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Joakim Bonnier | | | | | | | | | | Ret | 4 | 18 | 4th |
| 1958 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Ron Flockhart | | | | | | | | | | | Ret | 18 | 4th |
| 1959 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | | MON | 500 | NED | FRA | GBR | GER | POR | ITA | USA | | | 18 | 3rd |
| 1959 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Harry Schell | Ret | | Ret | 7 | 4 | 7 | 5 | 7 | | | | 18 | 3rd |
| 1959 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Ron Flockhart | Ret | | | 6 | Ret | | 7 | 13 | | | | 18 | 3rd |
| 1959 | Owen Racing Organisation | BRM P25 | BRM P25 2.5 L4 | D | Joakim Bonnier | Ret | | 1 | Ret | Ret | 5 | Ret | 8 | | | | 18 | 3rd |
| 1959 | British Racing Partnership | BRM P25 | BRM P25 2.5 L4 | D | Stirling Moss | | | | DSQ | 2 | | | | | | | 18 | 3rd |
| 1959 | British Racing Partnership | BRM P25 | BRM P25 2.5 L4 | D | Hans Herrmann | | | | | | Ret | | | | | | 18 | 3rd |
| 1960 | Owen Racing Organisation | BRM P25 BRM P48 | BRM P25 2.5 L4 | D | | ARG | MON | 500 | NED | BEL | FRA | GBR | POR | ITA | USA | | 8 | 4th |
| 1960 | Owen Racing Organisation | BRM P25 BRM P48 | BRM P25 2.5 L4 | D | Graham Hill | Ret | 7 | | 3 | Ret | Ret | Ret | Ret | | Ret | | 8 | 4th |
| 1960 | Owen Racing Organisation | BRM P25 BRM P48 | BRM P25 2.5 L4 | D | Joakim Bonnier | 7 | 5 | | Ret | Ret | Ret | Ret | Ret | | 5 | | 8 | 4th |
| 1960 | Owen Racing Organisation | BRM P25 BRM P48 | BRM P25 2.5 L4 | D | Dan Gurney | | NC | | Ret | Ret | Ret | 10 | Ret | | Ret | | 8 | 4th |