BMW P65 engine
| BMW P65 engine | |
|---|---|
| Overview | |
| Manufacturer | BMW M GmbH |
| Production | 2008–2016 |
| Layout | |
| Configuration | Naturally aspirated 90° V8 |
| Displacement | 4.0 L; 244.0 cu in (3,999 cc) 4.4 L; 266.1 cu in (4,361 cc) |
| Cylinder bore | 92 mm (3.62 in) |
| Piston stroke | 75.2 mm (2.96 in) 82 mm (3.2 in) |
| Cylinder block material | Aluminium |
| Cylinder head material | Aluminium |
| Valvetrain | DOHC 4 valves x cyl. |
| Compression ratio | 12.0:1 |
| Combustion | |
| Fuel system | Multi-port fuel injection |
| Management | BMW Motorsport |
| Fuel type | Gasoline |
| Oil system | Dry sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 485–500 bhp (362–373 kW; 492–507 PS) |
| Torque output | 500 N⋅m (369 lb⋅ft) |
The P65 is a purpose-built naturally aspirated DOHC V8 engine, designed, developed and produced by BMW, for sports car racing, between 2009 and 2016. It is based on the BMW S65 engine, used in the BMW M3 (E92) road car.