Mini Cooper S JCW John Cooper Works R56 211HP Complete Engine N14B16C 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 JCW John Cooper Works R56 211HP Complete Engine N14B16C WARRANTY is an original, used powertrain from the Mini sports range, designed for petrol-powered vehicles. The N14 family unit was engineered for dynamic driving, precise throttle response, and stable operation across a wide range of loads, making it an attractive base for replacement or advanced modifications in JCW R56 models.

Specifications and technical data

• SKU: 2158712-2
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 2158712
• Substitutable numbers: 11002158712, 2158712, 11000445403, 11000495044, 11002158713, 11000495186, 11000445405, 0445403, 0495044, 2158713, 0495186, 0445405, N14B16CD
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: N14B16C
• Mileage: 59 000

Technical characteristics of the N14B16C engine

The N14B16C engine is a four-cylinder petrol unit with a compact design, optimized for high efficiency and stable operation under loads typical of the John Cooper Works version. The four-cylinder layout promotes smooth operation, while the compact construction facilitates installation in the Mini R56 engine bay, maintaining proper service access to key components.

The unit was developed with a sporty character in mind, which is why it responds well to precise tuning and integration with advanced control systems. As a result, it can serve as a solid base for both standard replacement and projects where significantly increased dynamics and performance repeatability are prioritized.

Application and compatibility

The presented engine comes from the family of units used in the Mini John Cooper Works R56, ensuring high compatibility with the factory architecture of this model. The design is prepared to work with Mini vehicle equipment and wiring, which facilitates integration with the existing powertrain, electronics, as well as cooling and lubrication systems.

The presence of a dedicated engine code and the availability of interchangeable numbers in the technical specification allow for professional verification of compatibility with a specific vehicle equipment version. When selecting a unit, it is worth using OEM markings and vehicle documentation data to ensure full compatibility with the wiring harness, engine control unit, and other powertrain components.

Condition, mileage, and operational potential

The engine is offered as a used component, which in practice means a favorable cost-to-potential ratio for further operation. The declared mileage allows for an assessment of wear in the context of the typical lifespan of N14 units, while simultaneously providing room for further, intensive use in a car with a sporty character. This type of unit is particularly interesting for users who want to restore full powertrain performance in a Mini JCW R56 without the need to invest in a brand-new engine.

Before installation, standard preparatory procedures are recommended, such as checking for leaks, verifying the condition of accessories, and replacing consumables if necessary. This allows for fully utilizing the potential of this unit and minimizing the risk of unplanned service downtime after installation.

Benefits of choosing a used Mini engine

Choosing a used engine from the John Cooper Works series is a solution that combines cost-effectiveness with the preservation of the original Mini powertrain characteristics. Using a unit from the same design family enables the maintenance of the factory balance between performance, fuel consumption, and durability, while reducing costs compared to purchasing a new powertrain.

An additional advantage is the ability to verify the unit using OEM and reference numbers, which facilitates cooperation with the workshop and speeds up the process of selecting the appropriate controller, wiring, and accessories. For users planning more advanced modifications, the N14B16C engine provides a solid base for further mechanical and software tuning, while maintaining proper compatibility with the R56 platform.

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 powertrains, check out the available parts in the Mini Engines category.

To better plan your repair budget and consciously compare the purchase of a used engine with refurbishment or replacement with a new one, it is worth consulting an expert guide describing the facts and myths related to the secondary market – you can find it in the article Why it is worth buying used gearboxes and engines – facts instead of myths.