Mini Cooper F55/F56 B38A15A 1.5L Petrol Engine For Sale.

Mini Cooper F55/F56 B38A15A 1.5L 3-cylinder MPFI Turbocharged Petrol Engine.

Professional Replacement Modern, used engine For Sale.

The Mini Cooper F55/F56 B38A15A 1.5LPetrol Engine is a modern, efficient, and high-demand replacement engine designed for third-generation Mini models.

Developed by BMW as part of the advanced B-series engine family, the B38A15A offers an excellent balance of performance, fuel economy, and everyday reliability, making it a popular choice for workshops and Mini owners seeking a quality used engine for sale.

This engine features an all-aluminum inline-three cylinder design, multi-point fuel injection, and a single twin-scroll turbocharger that delivers smooth, responsive power throughout the rev range.

With a displacement of 1.5 liters (1499 cc), the B38A15A typically produces approximately 134–136 horsepower and also up to 220 Nm of torque, providing moreover lively acceleration while maintaining impressive fuel efficiency. Advanced technologies such as Valvetronic variable valve lift, double VANOS timing, and a timing chain drive system contribute to refined operation and long-term durability when properly maintained.

Compatibility, Common weaknesses and Maintenance.

The B38A15A engine is common on Mini Cooper F55 (5-Door Hatch) and examples like F56 (3-Door Hatch), F57 (Convertible), and F54 (Clubman) models from around 2014 onwards. Its compatibility across multiple Mini variants makes it a versatile and sought-after engine for direct replacement or professional installation, especially in front-wheel-drive petrol models.

It’s very reliable, the B38A15A has a few areas to watch. Minor oil leak from valve cover gasket or oil filter housing can occur with age, and some engines may experience carbon buildup on intake valves, so don’t extend oil change intervals. Engine mounts and turbocharger components must be inspected periodically for wear.

To ensure long service life, regular maintenance is essential. Frequent oil and furthermore filter changes using manufacturer-approved synthetic oil, timely spark plug replacement, and proper cooling system servicing will help preserve engine performance and prevent common issues.

When maintained correctly, the Mini Cooper F55/F56 B38A15A 1.5L Petrol Engine delivers dependable performance, modern efficiency, and also excellent value as a used replacement power unit.