BMW X5 E70 X6 E71 Turbocharger Turbo Upper Cover Plate 3.0d 30dX M57N2 7796313

BMW X5 E70 X6 E71 Turbocharger Turbo Upper Cover Plate 3.0d 30dX M57N2 is a precision turbocharging system component designed for BMW diesel engines. It is responsible for stable mounting and proper exhaust gas flow guidance within the turbocharger, which directly impacts the engine's operating efficiency. This solution, dedicated to specific models, ensures dimensional and structural compatibility with the factory system.

Specifications and technical data

• SKU: 7796314-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7796314
• Substitutable numbers: 7796314, 11657796314, 7796313, 6NW009228
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and compatibility

The presented turbocharger upper cover plate has been designed for BMW X5 E70 and BMW X6 E71 models with the 3.0d/30dX M57N2 diesel engine. The component's design is matched to the geometry of the factory turbocharger, facilitating installation in place of the original part without the need for modifying other sub-assemblies.

The cover belongs to the Turbochargers and parts group, making it ideal for users who want to restore correct boost parameters or perform a professional system repair based on components consistent with the manufacturer's solutions.

Construction and function of the component

The turbocharger upper cover plate plays a key role in the turbocharger assembly housing – it is responsible for tightness, proper gas guidance, and stable seating of internal elements. A correctly selected cover:

• ensures proper sealing of the turbocharger's hot section,
• maintains the correct exhaust flow geometry,
• reduces the risk of leaks and boost pressure drops,
• supports smooth system operation under variable engine loads.

Thanks to its fitment for the specific M57N2 engine type, the cover works with factory equipment, maintaining the operating characteristics intended by BMW engineers.

Application in BMW diesel engines

In BMW diesel engines from the M57N2 family, the turbocharger operates under significant thermal and pressure loads. A suitable upper cover:

• supports stable boost pressure build-up across the entire RPM range,
• contributes to maintaining the efficiency of the intake and exhaust systems,
• helps reduce power losses resulting from leaks or housing deformation.

For users who want to maintain the factory operating characteristics of a diesel engine, using a dedicated turbocharger cover is a technically sound and long-term beneficial solution.

Product characteristics and condition

The offered turbocharger upper cover plate comes from the BMW line, which means it retains the original geometry, mounting points, and manufacturing standards intended for these models. The item is classified as used, which in practice allows for an economical repair of the turbocharging system while maintaining compliance with the factory design.

The product has assigned OEM part numbers and interchangeable numbers, which facilitates verifying compatibility with a specific vehicle configuration. Before installation, a standard check of the contact surface condition and threads is recommended to ensure proper tightening and connection tightness.

Integration with other turbocharging system elements

The turbocharger upper cover plate works with other system components, such as the turbocharger body, exhaust manifold, oil and cooling lines, or control elements. A properly selected element:

• facilitates maintaining rotor alignment and turbocharger operating stability,
• minimizes the risk of leaks at the interface with the manifold and other parts,
• promotes maintaining an even temperature in the hot side area of the system.

As a result, repairing or replacing the cover can significantly improve the performance of the entire turbocharging system, which translates into better throttle response and more stable performance in daily operation.

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 turbocharger bodies, control actuators, or additional housings, check the available parts in the BMW Turbochargers and parts category.

Technical support and selection of used sub-assemblies

When choosing used turbocharging system elements, it is worth relying on proven sources and reliable technical knowledge. A good point of reference can be our guide on using second-hand components in premium cars – from turbochargers to suspension elements. You can find more practical tips in the article Audi on second-hand parts – tuning and repairs without losing quality, which shows how to consciously use used sub-assemblies while maintaining high operating quality.