Intake Hose BMW G30 G31 540dX B57 Silencer Filtered Air Pipe Tube 8571706

Intake Hose BMW G30 G31 540dX B57 Silencer Filtered Air Pipe Tube is an original intake system component designed for modern BMW diesel engines. It ensures stable airflow to the power unit, which promotes smooth engine operation and maintains factory performance parameters. By preserving OEM geometry and being tailored to the specific body and drivetrain version, it serves as a safe service solution for repairs or replacing a damaged intake.

Specifications and technical data

• SKU: 8571706
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8571706
• Substitutable numbers: 8571706, 13718571706
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The presented air pipe is a component from the Lines, hoses, and pipes group, responsible for directing intake air toward the engine. In the BMW 5 Series G30/G31 model with xDrive and the B57 unit in the 540dX version, it is responsible for:

• maintaining the tightness of the intake path under varying engine loads,
• stable guidance of the airflow under high boost pressure conditions,
• reducing unwanted turbulence that can affect the operation of the engine control system.

Thanks to the proper fit for the specific drivetrain configuration, the hose works with factory mounts and accessories, which facilitates installation and reduces the risk of leaks.

Compatibility with the B57 diesel engine

The pipe has been designed to work with a Diesel power unit, which means it is adapted to the higher boost pressures and specific thermal requirements of modern diesel engines. In practice, this translates to:

• adequate structural rigidity during turbocharger operation,
• maintaining shape under the influence of temperature in the engine compartment,
• compatibility with the stock intake accessories in the 540dX version.

Such a fit helps maintain correct boost values and stable operation of the control system, which is important for both performance and engine durability.

Characteristics of the used component

The offered intake hose is a used part, sourced from a dismantled BMW vehicle. This type of component is a reasonable choice for maintenance repairs when the priority is to maintain the original geometry and material while optimizing costs. Components from this group, originating from factory assembly, usually feature:

• compliance with factory mounting points,
• no need for modifications to the intake installation,
• the possibility of direct installation in place of the damaged hose.

For the user, this means a predictable service process and the preservation of the stock routing of hoses in the engine compartment.

Benefits of using an original intake hose

Using an original air pipe in the BMW G30/G31 540dX B57 helps limit typical problems associated with leaks and improper fitment of aftermarket replacements. Key advantages include:

• factory fitment for the specific model and drivetrain version,
• preservation of the stock intake routing, which facilitates service maintenance,
• consistency with other elements of the intake system and engine accessories.

As a result, the hose will work well both for standard replacement of a damaged part and for more extensive service work within the intake area.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional intake hoses, vacuum hoses, or breather pipes, check out the available parts in the BMW Lines, hoses, and pipes category.

For those interested in the broader technical context of BMW diesel units and aftermarket operating costs, an article comparing different engine generations may be helpful, available here: BMW N47 vs M57 / M57N / M57N2 – ranking of legendary diesels.