BMW B57
| BMW B57 | |
|---|---|
 | |
| Overview | |
| Manufacturer | BMW |
| Production | July 2015 – present |
| Layout | |
| Configuration | Straight-6 |
| Displacement | 3.0 L; 182.6 cu in (2,993 cc) |
| Cylinder bore | 84 mm (3.31 in) |
| Piston stroke | 90 mm (3.54 in) |
| Cylinder block material | Aluminium alloy |
| Valvetrain | DOHC 4 valves x cyl. |
| Compression ratio | 16.0:1 (B57D30C), 16.5:1 |
| Combustion | |
| Turbocharger | Single, Dual or Quad |
| Fuel system | Common rail direct injection |
| Fuel type | Diesel fuel DIN EN 590 |
| Oil system | wet sump, pressurized circulation |
| Cooling system | Water-cooled |
| Output | |
| Power output | 195–294 kW (261–394 hp) |
| Torque output | 620–760 N⋅m (457–561 lb⋅ft) |
| Chronology | |
| Predecessor | BMW N57 |
The BMW B57 is a turbo-diesel straight-six engine, produced by BMW since 2015.
Design
The B57 belongs to a family of modular engines, including the B37 and B47 diesel engines, and B38, B48, and B58 petrol engines. The engines utilise a common displacement of 500 cc (31 cu in) per cylinder. The B57 replaced the previous N57 diesel engine, and was first introduced in the G11 7 Series. The B57 is available in configurations of up to 4 turbochargers, that operate in a double-series layout.
Models
| Engine | Power | Torque | Years |
|---|---|---|---|
| B57D30O0 | 195 kW (261 hp) at 4,000 rpm | 620 N⋅m (457 lb⋅ft) at 2,000–2,500 rpm | 2015– |
| B57D30T0 | 235 kW (315 hp) at 4,000 rpm | 680 N⋅m (502 lb⋅ft) at 1,750–2,250 rpm | |
| B57D30S0 | 294 kW (394 hp) at 4,400 rpm | 760 N⋅m (561 lb⋅ft) at 2,000–3,000 rpm | 2016–2020 |
B57D30O0 (Single Turbo)
- 2015–2022 G11 730d, 730Ld
- 2017–2023 G30 530d
- 2017–2023 G32 630d Gran Turismo
- 2017–present G01 X3 xDrive30d
- 2018–present G02 X4 xDrive30d
- 2018–present G05 X5 xDrive30d
- 2018–present G07 X7 xDrive30d
- 2019–present G20 330d
- 2019–present G06 X6 xDrive30d
B57D30T0 (Twin Turbo)
- 2015–2022 G11 740d, 740Ld
- 2017–2023 G30 540d
- 2017–2023 G32 640d xDrive Gran Turismo
- 2018–present G01 X3 M40d
- 2018–present G02 X4 M40d
- 2018–present G15 840d xDrive
- 2020–present G20 M340d xDrive
- 2020–present G21 M340d xDrive
- 2020–present G22 M440d xDrive
- 2020–present G07 X7 xDrive40d