| BMW B48 | |
|---|---|
 | |
| Overview | |
| Manufacturer | BMW |
| Production | 2014–present |
| Layout | |
| Configuration | Inline-four |
| Displacement | 1,597 cc (97 cu in) 1,998 cc (122 cu in) |
| Cylinder bore | 82.0 mm (3.23 in) |
| Piston stroke | 75.6 mm (2.98 in) 94.6 mm (3.72 in) |
| Cylinder block material | Aluminium |
| Cylinder head material | Aluminium |
| Valvetrain | DOHC, with VVT & VVL |
| Valvetrain drive system | Chain |
| Compression ratio | 8.9:1 11:1 |
| Combustion | |
| Turbocharger | Single twin-scroll with air-to-liquid intercooler |
| Fuel system | Bosch HDEV5/HDEV5 EVO 200 bar (2,901 psi) central high-pressure Gasoline direct fuel injection. One direct injector per cylinder fed by an Bosch engine-driven high-pressure fuel pump (B48 non-TU) Bosch HDEV6 350 bar (5,076 psi) central high-pressure gasoline direct fuel injection. One direct injector per cylinder fed by an Bosch HDP6 engine-driven high-pressure fuel pump (B48TU) |
| Management | Bosch Di-Motronic |
| Fuel type | Petrol |
| Oil system | Wet sump with water heat exchanger |
| Cooling system | Water-cooled |
| Output | |
| Power output | 115–225 kW (154–302 hp) |
| Torque output | 250–450 N⋅m (184–332 lb⋅ft) |
| Chronology | |
| Predecessor | BMW N20 |
The BMW B48 is a turbocharged inline-four petrol engine which replaced the BMW N20 and has been in production since 2014. It was first used in the F56 Mini Hatch and has been used in BMW applications since 2015.
The B48 is part of a modular BMW engine family of 3-cylinder (B38/B37), 4-cylinder (B48/B47) and 6-cylinder (B58/B57) engines,[1] which use a displacement of 500 cc (30.5 cu in) per cylinder.
- ^ "BMW modular engines: B37, B38, B47 and B48". www.bmwblog.com. 21 May 2014. Archived from the original on 6 October 2021. Retrieved 10 May 2017.