BMW B48

BMW B48
Overview
ManufacturerBMW
Production2014–present
Layout
ConfigurationInline-four
Displacement1,597 cc (97 cu in)
1,998 cc (122 cu in)
Cylinder bore82.0 mm (3.23 in)
Piston stroke75.6 mm (2.98 in)
94.6 mm (3.72 in)
Cylinder block materialAluminium
Cylinder head materialAluminium
ValvetrainDOHC, with VVT & VVL
Valvetrain drive systemChain
Compression ratio8.9:1
11:1
Combustion
TurbochargerSingle twin-scroll with air-to-liquid intercooler
Fuel systemBosch 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)
ManagementBosch Di-Motronic
Fuel typePetrol
Oil systemWet sump with water heat exchanger
Cooling systemWater-cooled
Output
Power output115–225 kW (154–302 hp)
Torque output250–450 N⋅m (184–332 lb⋅ft)
Chronology
PredecessorBMW N20
BD
B48 in a 2014 MINI Cooper S

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.

  1. ^ "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.