BMW E90 E91 E92 E93 325d 330d M57N2 Turbo Charger 7796311 7796312

The BMW E90 E91 E92 E93 325d 330d M57N2 Turbocharger is an original turbocharger and parts component designed for modern BMW M57N2 series diesel engines. A used OEM turbocharger is a sensible choice for drivers who want to restore proper boost while maintaining factory engine performance and smooth driving.

Specifications and technical data

• SKU: 7796311
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7796311
• Substitutable numbers: 11657796312, 7796312, 7796311
• Category: Turbos & Parts

Purpose and compatibility

This M57N2 turbocharger for the BMW 325d and 330d was designed as a factory-fit turbocharger for the BMW 3 Series E90, E91, E92, and E93 diesel models. The OEM design ensures proper fitment to the exhaust manifold, intake system, and control unit, simplifying installation and reducing the risk of operational issues.

By maintaining the original geometry and operating parameters, the turbocharger allows for stable build-up of boost pressure, correct response to gas and maintaining the standard performance of the M57N2 unit without the need for software modifications.

Construction and operating characteristics

As an OEM component for BMW, the turbocharger is made of materials adapted to the high temperatures and loads typical of high-torque diesel engines. Its design ensures:

• adequate boost efficiency across the full engine speed range,
• stable operation under long-term load, typical of highway driving,
• correct cooperation with the lubrication and cooling system of the M57N2 unit,
• maintaining the factory power and torque characteristics.

The original turbocharger is also designed to work with the factory engine control, which minimizes the risk of diagnostic errors and improper operation of the charging system.

Condition, origin and benefits of choosing a used part

The offered BMW turbocharger comes from the aftermarket and is sold as a used part. This type of solution significantly reduces repair costs compared to purchasing a new component, while maintaining the original manufacturer's specifications. For many BMW owners with the M57N2 engine, this represents a practical compromise between price and functionality.

Choosing a used OEM turbocharger includes:

• factory fit for a specific drive unit,
• no need to modify installations or mountings,
• maintaining the standard engine operating parameters,
• possibility of economical repair while maintaining the original quality of workmanship.

Application in BMW M57N2 engines and technical aspects

The BMW M57N2 engines in the 325d and 330d versions are valued for their excellent dynamics, flexibility, and mileage potential. A functioning turbocharger is crucial to maintaining these characteristics. A properly selected OEM component:

• ensures correct boost pressure throughout the entire rev range,
• affects the efficient fuel combustion and stable operation of the unit,
• reduces the risk of excessive smoke and power drops,
• supports the correct operation of exhaust emission control systems.

For users considering different BMW diesel engine options, it may be helpful to compare the M57N2's design with other popular engines. For this purpose, it's worth checking out the article " BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels ," which discusses performance, reliability, and operating costs in the aftermarket.

BMW's Alternative Turbochargers and Supercharging System Developments

If you're looking for other turbochargers for BMW —perhaps to compare solutions used across different models and generations—check out our dedicated BMW turbocharger category. This will allow you to choose the right component not only for your specific engine, but also for your driving style and dynamic performance expectations.

Summary

The BMW E90 E91 E92 E93 325d 330d M57N2 Turbocharger is a used, original turbocharger and parts part designed for BMW 3 Series diesel engines. It ensures factory fit, maintains stock M57N2 engine performance, and allows for cost-effective turbocharger repair while maintaining OEM quality. It's a smart choice for drivers who want to restore their BMW's performance without sacrificing original manufacturer technology.