BMW X5 X6 E70 E71 1 M57N2 Diesel Manifold Charge Air Line Hose 7810307

BMW X5 X6 E70 E71 1 M57N2 Diesel Manifold Charge Air Line Hose is an original intake system component, designed to operate in the demanding conditions of diesel engines. As part of the Lines, hoses and pipes category, it is responsible for the tight and stable routing of compressed air from the boost manifold, which directly impacts engine performance and refinement. Using an OEM component allows for a technically correct replacement of a worn hose without interfering with the system's design.

Specifications and technical data

• SKU: 7810307-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810307
• Substitutable numbers: 11618506079, 8506079, 11617796292, 7796292, 11617810307, 7810307, BG
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The offered hose is a component of the turbocharging system in a diesel engine, responsible for transporting compressed air between the manifold and the rest of the installation. A properly selected and airtight hose:

• stabilizes boost pressure across the entire RPM range,
• reduces power drops resulting from leaks,
• supports uniform combustion of the mixture in the cylinders,
• reduces the risk of overheating turbocharging auxiliary components.

Thanks to a design tailored to the specific architecture of the M57N2 diesel engine, the hose maintains the correct flow geometry, which translates into predictable powertrain behavior under load.

Compatibility with BMW X5 and X6

The hose has been designed for BMW X5 E70 and BMW X6 E71 diesel models, where the turbocharging system operates under increased pressure and temperature. This means:

• factory-fit for mounts and routing in the engine bay,
• compatibility with the original boost manifold and auxiliary equipment,
• no need for modifications or adaptations during installation.

Such a fit reduces the risk of stress on the connections and minimizes the possibility of micro-leaks during operation.

Technical characteristics and advantages of use

As an OEM element from the Lines, hoses and pipes group, the intake hose is made of materials adapted to work with a diesel engine, where higher pressures and greater thermal loads occur than in petrol units. In practice, this means:

• resistance to pressure pulsations generated by the turbocharger,
• retention of shape and patency during long-term operation at high temperatures,
• internal geometry designed for flow, reducing pressure losses.

Using an original hose in place of a worn or leaking component helps restore stable boost parameters, which can translate into a more predictable throttle response and improved overall efficiency of the drivetrain.

Condition, installation and selection by part numbers

The offered hose is a used part, which allows for an economical repair while maintaining the manufacturer's original specifications. The component comes from dismantling and is intended for further use after proper installation in the vehicle.

Selecting a hose for a specific car configuration should be based on the OEM number and available replacement numbers, as well as vehicle data (model, year, engine type). If necessary, comparing the shape and mounting method with the currently installed element in the car may also be helpful.

If you want to deepen your knowledge about selecting original components and verification procedures using OEM numbers in cars of this brand, it is worth reading the article BMW – sports performance and precision. How do original used parts extend the life of a Bavarian icon?, which discusses practical aspects of operation and replacement of components in BMW vehicles.

Application in service practice

Replacing the charge air intake hose is recommended especially when symptoms such as power loss, smoking under load, oil leaks around intake connections, or boost pressure-related errors occur. Using an original hose allows you to:

• reduce the risk of recurring leaks after repair,
• maintain factory turbocharger operating parameters,
• remain compliant with engine control unit maps for the diesel unit.

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, vacuum hoses, or cooling system pipes, check the available parts in the BMW Lines, hoses and pipes category.

Summary

BMW X5 X6 E70 E71 1 M57N2 Diesel Manifold Charge Air Line Hose is a practical solution for users who want to restore the proper operation of the turbocharging system while maintaining the original specifications. A used OEM element from the Lines, hoses and pipes group ensures proper mounting fit and flow parameters, which promotes stable operation of the diesel unit and correct cooperation with the factory engine controller.