BMW B48
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.
| 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) |
| Valvetrain | DOHC |
| Valvetrain drive system | Chain |
| Compression ratio | 8.9:1 11:1 |
| Combustion | |
| Turbocharger | Single twin-scroll |
| Fuel system | Direct injection |
| Fuel type | Petrol |
| Chronology | |
| Predecessor | BMW N20 |
The B48 is part of a modular BMW engine family of 3-cylinder (B38/ B37), 4-cylinder (B48/ ye) and 6-cylinder (B58) engines, which use a displacement of 500 cc (30.5 cu in) per cylinder.
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