Mini Cooper S R55 R56 R57 174HP Complete Engine Petrol N14B16AB WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

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

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Mini Cooper S R55 R56 R57 174HP Complete Engine Petrol N14B16AB WARRANTY is a factory-spec power unit from the Mini family, designed for the dynamic Cooper S versions. This is the ideal solution for users looking to restore their vehicle to full performance while maintaining the original performance characteristics and consistency with the factory vehicle architecture.

Specifications and technical data

• SKU: 2158714-2
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 2158714
• Substitutable numbers: 11002158714, 2158714, 110021566901100044489711007559129, 7559129, 0444897, 2156690, 11002158715, 2158715, 11002156689, 2156689, 11000444898, 0444898, 11007559132, 7559132
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

The engine belongs to the Engines category and is supplied as a complete unit, which simplifies the replacement process and minimizes vehicle downtime. By adhering to Mini's factory standards, it serves as a functional base for professional powertrain repair.

The unit is used, which allows for a reasonable purchase cost while retaining the manufacturer's original specifications and maintaining a reliable level of performance for daily use.

Technical characteristics of the N14B16AB unit

The presented engine is a four-cylinder petrol power unit designed for the R55, R56, and R57 generation Mini Cooper S models. The cylinder configuration ensures balanced operation, and the use of petrol fuel delivery allows for the lively throttle response and flexibility across the entire rev range typical of this model.

The engine was developed with dynamic driving in mind, making it well-suited for both city traffic and highway cruising. The design solutions employed enable efficient power transfer to the drivetrain while maintaining the refinement expected in the premium compact car segment.

Application in Mini Cooper S R55/R56/R57 models

The N14B16AB unit is intended for installation in Mini Cooper S versions with R55 (Clubman), R56 (hatchback), and R57 (convertible) bodies. As a result, it provides a cohesive solution for users who want to restore the factory powertrain specification in their vehicle without the need to adapt components from other models.

A complete engine from this series allows for the preservation of the original handling characteristics typical of the Cooper S – with a distinctly sporty accent, quick revving, and predictable load response. This is particularly important for repairs on vehicles used in more demanding conditions, such as on long journeys or during dynamic driving.

Condition, mileage, and benefits of choosing a used unit

The engine comes from the secondary market and is offered as a used component with documented mileage. This choice allows for a significant reduction in repair costs compared to a new unit, while maintaining the original Mini design. For many users, this is a reasonable compromise between budget and expected functionality.

The unit's mileage is within the typical operational range for this type of engine, providing a solid base for further service life in the vehicle, especially when installed correctly and maintained with regular service intervals. Choosing a complete used engine also limits the risk of issues arising from mixing components from different versions or aftermarket manufacturers.

Why choose an original Mini engine

The original Mini power unit ensures full compatibility with factory electronics, ancillaries, as well as cooling and lubrication systems. This makes the installation process predictable, with a significantly lower risk of fitment issues compared to uncertain aftermarket replacements. This is especially important in vehicles where the powertrain is tightly integrated with control systems.

By choosing this engine, you gain consistency with the original Mini design, which translates into predictable performance, proper cooperation with the drivetrain, and the preservation of the driving character for which Cooper S versions are famous. This solution is aimed at users who expect a technically correct, professional repair rather than temporary compromises.

Powertrain expansion and related components

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 additional power units, blocks, or complete long blocks, check out the available parts in the Mini Engines category.

When planning major work on the powertrain, it is also worth familiarizing yourself with the experiences of users of other premium brands. A good point of reference can be the analysis of typical faults in related designs – you can find them in the article Troublesome BMW E90 engines: check what can ruin your budget!, which shows how important informed power unit selection and proper service maintenance are.