BMW N57D30C 3.0L Tri-Turbo Diesel Engine

Description

The BMW N57D30C tri-turbo diesel engine is one of the most advanced high-performance diesel engines in BMW’s history. Designed for the M Performance models such as the BMW M550d, X5 M50d, and X6 M50d, this engine is a masterpiece of engineering that combines cutting-edge turbocharging technology, excellent fuel economy, and long-lasting durability. For enthusiasts or workshops searching for a replacement power unit, this original BMW engine assembly offers the perfect balance of reliability and performance.

Engine Specifications

• Engine Code: N57D30C

• Displacement: 3.0L (2993cc)

• Configuration: Inline-6, DOHC, 24-valve

• Turbocharging: Tri-turbo system

• Fuel System: Common-rail direct injection

• Power Output: 381 PS (280 kW)

• Torque: 740 Nm @ 2000–3000 RPM

• Mileage: Approx. 70,000–85,000 miles (low-mileage import)

• Condition: Compression-tested, verified running condition

Applications & Compatibility

This BMW N57D30C engine is compatible with the following models:

• BMW M550d (F10/F11, 2012–2016)

• BMW X5 M50d (F15, 2013–2018)

• BMW X6 M50d (F16, 2015–2018)

• May also fit other vehicles with modifications.

Please confirm compatibility with your VIN and ECU before purchase.

Included in This Engine Assembly

A typical engine package includes:

• Complete long block (engine block, pistons, crankshaft, cylinder head)

• Turbocharger system (triple turbo setup)

• Fuel injection system

• Intake manifold & throttle body

• Alternator & starter motor

• Wiring harness (if available)

• Oil pan & valve covers

Transmission, ECU, and exhaust system not included unless specified.

Engineering & Performance Highlights

1. Tri-Turbo Technology – The N57D30C uses three sequential turbochargers for seamless power delivery across the entire rev range.

2. Massive Torque – Produces 740 Nm, ideal for high-performance driving and towing.

3. Fuel Efficiency – Despite its power, the engine delivers excellent fuel consumption compared to gasoline V8s.

4. Durable Build – Strong forged internals designed to withstand high torque.

5. OEM Original – Sourced from Japanese/European markets, ensuring authenticity.

Testing & Quality Assurance

Every N57D30C engine is carefully inspected before shipping:

• Compression & leak-down tested

• Turbocharger system checked for play & boost consistency

• Visual inspection for leaks, cracks, or corrosion

• Oil & coolant system tested

• Ancillary components inspected

Installation & Maintenance Recommendations

To maximize lifespan, we recommend replacing the following before installation:

• Glow plugs & injectors (if required)

• Timing chain & tensioners (common wear item)

• Water pump & thermostat

• Oil separator & PCV system

• Fluids, filters, and gaskets

Installation should be carried out by a professional BMW technician familiar with diesel M Performance engines.

Warranty & Support

• Warranty: 6-month limited warranty on internal components

• Support: Technical guidance available for fitment & setup

• Shipping: Securely packed and shipped worldwide

Conclusion

The BMW N57D30C 3.0L tri-turbo diesel engine is an engineering marvel, delivering sports-car performance with diesel efficiency. Whether you’re restoring a BMW M550d, X5 M50d, or X6 M50d, this complete engine assembly is a reliable OEM replacement that ensures factory-level performance, durability, and driving excitement. With warranty coverage, compression-tested quality, and authentic German engineering, it’s the perfect solution for keeping your BMW at its best.