The Mini Cooper S B48A20A 2.0 liter turbocharged Mini Cooper S engine is part of BMW’s engine lineup from 2014. This unit is installed in third-generation Mini cars such as the Clubman F54 and Countryman F60. For the American market, there is a modification under the ULEV II econorm standard with the index B46A20A. The main technical characteristics of the motor, as well as its features, are presented in the table below.
Technical characteristics of the engine B48A20A 2.0 Turbo
| Parameter | Value |
|---|---|
| Modification | Cooper S |
| Determined displacement | 1998 cm³ |
| Power system | Direct injection |
| Maximum power | 192 hp |
| Torque | 280 Nm |
| Cylinder block material | Aluminum R4 |
| Material of block head | Aluminum 16v |
| Cylinder diameter | 82 mm |
| Piston stroke | 94.6 mm |
| Compression ratio | 11.0 |
| Engine features | Valvetronic, Vanos phase controllers |
| Hydrocompensators | Yes |
| Transmission timing | Chain |
| Turbocharged | MHI TD04LR6W |
| Recommended oil | 5W-30, volume 5.0 liters |
| Environmental class | Euro 6 |
| Example service life | 250,000 km |
Which vehicles are fitted with the engine
The B48A20A engine has been fitted to various Mini models:
- Mini Clubman F54 (2015 to present)
- Mini Hatch 3-door F56 (2014 to present)
- Mini Hatch 5-door F55 (2015 to present)
- Mini Cabrio F57 (from 2016 to present)
- Mini Countryman F60 (2017 to present)
B48A20A engine problems and defects
- Transmission timing chain problems. Prior to 2017, owners of vehicles with this engine often experienced rapid wear and stretching of the timing chain, but the design has been changed and this problem has been resolved.
- Instable idle speeds. Quite often on early versions of the engine there were problems with floating idle speed, which is associated with the failure of the fuel tank ventilation valve.
- Excessive oil consumption. After a mileage of 100,000 kilometers, the engine may begin to consume more oil due to wear of the oil caps.
- Failure of the Valvetronic system and Vanos phase controllers. On cars with high mileage, there may be problems with the operation of these systems.
In general, the engine Mini Cooper S B48A20A shows itself as a fairly reliable unit, provided timely maintenance and compliance with the manufacturer’s recommendations.
Engine Rating 4-