Mini F56 F57 JCW Bare Engine B48A20B Petrol 231HP with 39k miles, 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. Mini F56 F57 JCW Bare Engine B48A20B Petrol 231HP with 39k miles, WARRANTY is a factory-original petrol engine block designed for the sporty John Cooper Works versions. This is a solution for users looking for an original powertrain with high operating refinement and seamless compatibility with the factory installation in Mini F56 and F57 models.

Specifications and technical data

• SKU: 2459232
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 2459232
• Substitutable numbers: 11005A07773, 5A07773, 11005A07772, 5A07772, 11002459232, 2459232
• Fuel type: Petrol
• Number of cylinders: 4
• Part type: Engine Long Block
• Category: Engines
• Engine code: B48A20B
• Mileage: 39 000

Technical characteristics of the B48A20B engine block

The presented block belongs to the Engines category and constitutes the base mechanical core of the powertrain without accessories. The used code B48A20B denotes a modern, petrol construction from the B48 family, developed for dynamic driving and stable performance parameters in JCW versions. The engine utilizes a four-cylinder layout, which ensures a balanced combination of performance and refinement. The unit is adapted for petrol fuel, allowing for the characteristic JCW sporty performance while maintaining appropriate flexibility in daily use.

Application in Mini F56 / F57 JCW

The block is intended for installation in the sporty Mini F56 and F57 John Cooper Works variants, where precise fitment to factory mounts and auxiliary systems is essential. Thanks to the preservation of the original design specifications, the installation process is predictable for an experienced mechanic, without the need for unusual modifications. The unit with a catalog power of 231 HP in JCW versions provides a distinctly sporty character, quick throttle response, and adequate torque reserve, which is particularly important during intensive use on highways or on track days.

Benefits of choosing a used engine block

A used engine block from the B48 family is a solution that allows for significant cost savings compared to purchasing a new unit, while maintaining the factory design and predictable operating parameters. The unit's mileage is an important reference point when planning further operation and potential service work after installation. Choosing an original block with preserved part numbers and interchangeable numbers facilitates correct identification and selection of accessories, gaskets, and mounting elements. This is especially important in the case of modern, turbocharged petrol engines, where component compatibility has a direct impact on durability and operational stability.

Installation recommendations and selection by OEM/VIN

Before installation, standard preparatory steps are recommended, such as verifying the condition of seals, checking the lubrication system, and preparing the cooling system for the new unit. Professional installation in a specialized service center minimizes the risk of subsequent leaks and accelerated wear. To ensure that the block will be fully compatible with your specific Mini configuration, it is worth using the OEM number or the vehicle's VIN when selecting accessories and additional components. A detailed discussion of selection procedures and a comparison of costs between new and used units can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths. Additionally, practical tips regarding unit inspection before installation, a list of key points to check, and a discussion of common installation errors can be found in the guide Buying a used engine: 5 things you must check before installation.

Expansion and modernization of the Mini powertrain

If you are planning a comprehensive repair or modernization of the engine area in your Mini and need other elements from the same group, such as additional blocks, complete units, or other powertrain variants, check the available parts in the Mini Engines category. Such an approach allows you to plan the entire powertrain modernization in a consistent manner – from selecting the appropriate block, through accessories, to further powertrain modifications, while maintaining compliance with factory Mini John Cooper Works standards.