BMW 3 X3 Series E46 E83 Diesel M47N2 Garrett Turbo Charger Turbocharger 7794140

BMW 3 X3 Series E46 E83 Diesel M47N2 Garrett Turbo Charger Turbocharger is an original component from the Turbochargers and parts group, designed for BMW diesel engines with the M47N2 unit. This used OEM part ensures factory-spec fitment, maintaining proper turbo system operating parameters and stable torque characteristics across the entire rev range.

Specifications and technical data

• SKU: 7794140
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7794140
• Substitutable numbers: 11657794144, 7794144, 11657787628, 7787628, 11657793093, 7793093, 7794140
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and compatibility

The presented turbocharger has been designed to work with the Diesel M47N2 engine used in BMW 3 Series E46 and BMW X3 E83 models. The OEM design guarantees compatibility with the factory exhaust manifold, intake system, and boost control, which facilitates installation without the need for any system modifications.

By maintaining the original geometry and flow parameters, the turbocharger allows for the preservation of proper engine performance, correct throttle response, and stable boost pressure under typical operating conditions.

Construction and operating characteristics

Garrett, as a manufacturer of turbochargers for BMW, uses solutions tailored to the specifics of diesel engines, ensuring the right balance between dynamics and durability. The applied design supports:

• efficient boost pressure generation in the low and medium rev range,
• stable operation under long-term loads typical for diesel engines,
• proper cooperation with the factory engine management and fuel injection system.

A properly selected turbocharger helps reduce power drops, improves the flexibility of the M47N2 unit, and supports smooth torque development, which translates into driving comfort both in the city and on the highway.

Application in the M47N2 diesel engine

In BMW diesel engines, it is crucial to maintain proper boost pressure and system integrity. Using an original turbocharger dedicated to the M47N2 allows for maintaining:

• correct combustion parameters in the diesel unit,
• proper cooperation with the exhaust gas recirculation system and engine accessories,
• consistency with factory engine control unit maps.

As a result, replacing a worn turbocharger with an original element from the same design group is a safe service solution, reducing the risk of starting issues, smoke, or power loss.

Condition, verification, and part selection

The offered turbocharger is a used item, which in practice means a favorable compromise between repair costs and maintaining the original BMW specification. Before installation, it is recommended to perform a standard check of the lubrication system, oil line patency, and intake tightness to ensure proper operating conditions for the turbocharger.

When selecting parts, it is worth paying attention to compatibility with the engine code, fuel type, and reference numbers in the BMW service documentation. This minimizes the risk of improper fitment and additional costs associated with re-installation.

Expanding the BMW turbo system

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as intake hoses, mounting hardware, or additional turbo system components, check out the available parts in the BMW Turbochargers and parts category.

For users preparing their car for the winter season, a practical guide will be useful, where you will find checklists and tips regarding the inspection of engine accessories and used components – details are described in the article Winter essentials: which used car parts are worth checking and replacing before the frost?.