Mini Cooper S F54 F56 F57 F60 JCW John Cooper Works Bare Engine B48A20B WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Mini Cooper S F54 F56 F57 F60 JCW John Cooper Works Bare Engine B48A20B WARRANTY is a modern powertrain from the B48 family, designed for the dynamic John Cooper Works versions. This four-cylinder petrol engine delivers a distinctly sporty character while remaining a construction optimized for everyday use. It is an attractive choice for drivers looking for a proven solution for advanced repairs or engine replacement in their Mini.

Specifications and technical data

• SKU: 2459230
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 2459230
• Substitutable numbers: 2459230, 11002459230, 2364440, 11002364440, 2409865, 11002409865, 11002459231, 2459231
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 49 000

Technical characteristics of the B48A20B engine

The presented engine belongs to the family of modern Mini petrol units, developed for high efficiency and precise throttle response. The four-cylinder layout ensures balanced operation, and the configuration used in the JCW version has been prepared for higher loads and dynamic driving. The design of this unit is widely used across the Mini range, which facilitates servicing and access to technical documentation.

The engine falls into the Engines category, meaning it is intended for a comprehensive powertrain replacement rather than just minor accessory repairs. As such, it provides a solid foundation for rebuilding the drivetrain in Mini Cooper S and Mini JCW cars, where stability of operating parameters and predictable behavior under load are crucial.

Application in Mini Cooper S and JCW models

The B48A20B unit is used in the sporty variants of the Mini Cooper S and John Cooper Works in F54, F56, and F60 body styles. This means compatibility with popular generations of the Clubman, hatchback, and Countryman in high-performance versions. The engine has been designed for intensive use, typical for drivers who utilize the full potential of the JCW version.

In practice, this means that with the correct selection of accessories and proper engine control unit configuration, factory-level performance can be achieved while maintaining the handling precision characteristic of a Mini. The unit works well with modern control systems, which facilitates adaptation in the vehicle after professional installation.

Benefits of choosing a used Mini engine

The presented engine is a used component, which allows for a significant reduction in repair costs compared to purchasing a brand-new unit. At the same time, the mileage remains at a level typical for engines that, with proper maintenance, still have a long service life ahead of them. It is a reasonable compromise between price and functionality, especially in the case of accident repairs or mechanical failures.

Choosing an original unit from the same design family intended for the Mini Cooper S and JCW minimizes the risk of mechanical fitment issues and integration problems with the vehicle's electrical system. For workshops and users, this means a more predictable installation process and easier diagnostics after startup.

Mileage and operational potential

The engine has documented mileage, which allows for a better assessment of its potential for further operation. In the case of modern Mini petrol units, with proper maintenance, this level of wear is generally acceptable and leaves a reserve for years of further use. This is particularly important for those planning to drive in mixed modes – both urban and highway.

For workshops specializing in the Mini brand, this is an attractive base for installation, as B48 family units are well-understood in terms of typical service procedures. This facilitates work planning, estimation of installation time, and subsequent warranty or post-warranty support offered to the end customer.

Selection and compatibility in service practice

The B48A20B engine, as a modern petrol unit, requires the correct selection of accessories, control unit, and software configuration. In service practice, it is crucial to verify compatibility with the specific vehicle equipment version, transmission, and control system. This helps avoid issues with startup, control unit errors, or improper operation under load.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and want to better understand the typical problems of power units, it is worth checking out practical technical studies – the article Troublesome BMW E90 engines: check what can ruin your budget! will be helpful, as it shows what to look for when assessing the condition and selecting a used engine.

Expanding the Mini powertrain

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other components from the same group, such as complete powertrains, long blocks, or engine blocks, check the available parts in the Mini Engines category.

With extensive drivetrain repairs, there is often a need to replace or program control units and sensors. In such cases, it is worth considering aftermarket components – more practical tips on selecting and installing electronics can be found in the guide Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, which discusses compatibility and configuration issues in modern vehicles.