Mini JCW N14B16C 1.6L Turbocharged Engine For Sale.

Mini John Cooper Works N14B16C 1.6-liter Turbocharged Petrol Engine

Power unit engineered, used efficient power engine For Sale.

The Mini JCW N14B16C 1.6L Turbocharged Engine is a high-performance power unit engineered to deliver exhilarating acceleration, sharp throttle response, and motorsport-inspired reliability.

Developed under the BMW-PSA “Prince” engine program, this engine represents the pinnacle of first-generation MINI turbo performance. Offered here as a used engine for sale, it is an excellent choice for JCW restorations, performance upgrades, or factory-correct replacements.

The N14B16C engine was specifically tuned for Mini John Cooper Works (JCW) models, including the Mini JCW R56 Hatch (2008–2012), JCW R55 Clubman, and select JCW R57 Convertible variants.

Compared to standard Cooper S versions, the JCW N14 benefits from reinforced internals, higher boost pressure, and upgraded cooling components. Compatibility is best achieved when replacing vehicles originally equipped with the N14 JCW engine code and matching ECU, turbo, and fueling components.

Specifications, Common weaknesses and Maintenance.

From a technical standpoint, this engine is a 1.6-liter inline-4 petrol unit featuring Double Overhead Camshafts (DOHC), 16 valves, and direct fuel injection. It is equipped with a twin-scroll turbocharger, enabling rapid spool and strong mid-range torque. Power output is approximately 155 kW (208 hp), with torque delivery designed for aggressive performance while maintaining daily drivability. The aluminum block and head reduce overall weight, supporting MINI’s precise handling characteristics.

As with other high-output turbocharged engines of this generation, the N14B16C has some common weaknesses to consider. These include timing chain stretch, high-pressure fuel pump (HPFP) wear, carbon buildup on intake valves due to direct injection, and turbocharger or wastegate wear under hard use. Cooling system components and ignition coils may also require attention over time. To ensure longevity, frequent oil changes with high-quality synthetic oil, upgraded timing components, and regular intake cleaning are strongly recommended.

Overall, the Mini JCW N14B16C 1.6L Turbocharged engine delivers exceptional performance and authentic John Cooper Works character. When properly maintained and professionally installed, it offers thrilling power, proven engineering, and strong resale value making it a premium engine choice for serious MINI enthusiasts.