Mini F55 F56 F60 Cooper S Bare Engine B48A20A with New Timing Installed 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 F55 F56 F60 Cooper S Bare Engine B48A20A with New Timing Installed WARRANTY is a complete powertrain unit from the Engines category, designed for the S versions of the popular Mini F55 and F56 models. This four-cylinder petrol unit, featuring a newly installed timing system, provides a solid foundation for professional engine repair or replacement in vehicles of this series. Thanks to its documented mileage and configuration compliant with Mini factory standards, this product is an attractive alternative to significantly more expensive new components.

Specifications and technical data

• SKU: 2455332-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 2455332
• Substitutable numbers: 11002455332, 2455332, 11002355455, 11002409961, 11002405578, 11002355457, 11002405380, 2355455, 2409961, 2405578, 2355457, 2405380
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 36 000

Technical characteristics of the B48A20A engine

The offered B48A20A engine is a modern, four-cylinder in-line petrol powertrain from Mini. The design was developed with dynamic driving in mind, while maintaining refinement and fuel efficiency. The timing system, having been replaced with a new component, ensures stable operation across the entire rev range and reduces the risk of typical failures associated with the wear of this assembly.

The engine is adapted to work with the factory electronics and ancillaries of Mini Cooper S F55 and F56 models, which facilitates integration with the vehicle's existing installation. As a result, it provides a plug-in solution within the original powertrain architecture, without the need for structural modifications.

Purpose and compatibility

The unit was designed for use in the sporty Mini Cooper S variants of the F55 and F56 generations, where quick throttle response, flexibility, and predictable behavior under load are essential. The B48A20A engine complies with Mini factory standards, which simplifies the selection of appropriate ECU maps, ancillaries, and exhaust systems.

For proper fitment to a specific vehicle, it is recommended to verify the part using the VIN and OEM numbers based on manufacturer catalogs or specialized service software. This selection method helps reduce the risk of incompatibility regarding ancillaries, mounts, or wiring harnesses and speeds up the installation process.

Condition, mileage, and benefits of installation

The engine is in used condition with documented mileage, which allows for a realistic assessment of its service history. A key advantage is the new timing system, which significantly increases the safety of the unit's future operation and reduces maintenance costs in the initial period of use after installation. In practice, this means a lower risk of failures related to chain stretching or wear of guide components.

Choosing a used engine with a replaced timing system is a beneficial compromise between purchase cost and expected durability. This solution is particularly attractive for post-accident repairs, engine replacement after mechanical failure, or modernization projects where maintaining the original Mini Cooper S specification is a priority.

Professional selection and installation

To fully utilize the potential of this unit, installation in a specialized service center with experience in working with Mini B48 series engines is recommended. Proper bleeding of systems, ECU configuration, and monitoring of operating parameters after the first start are crucial for long-term and stable operation. Precise installation and verification of the tightness of all systems help minimize the risk of subsequent leaks or diagnostic errors.

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 blocks, cylinder heads, or complete powertrain units, check the available parts in the Mini Engines category.

Expert support and additional information

For users considering the purchase of a used powertrain unit, an expert guide describing facts and myths about such solutions, procedures for selection by VIN and OEM, and a cost comparison against new parts will be particularly useful. A detailed discussion of these issues can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which helps to consciously plan repairs and select the right engine for a specific Mini model.