BMW X3 F25 N47N Intake Box Silencer Filtered Air Muffler Hose Pipe Line 8512249

Visual condition of the part

The product shows signs of use visible in the photos.

BMW X3 F25 N47N Intake Box Silencer Filtered Air Muffler Hose Pipe Line is an intake system component designed for diesel engines, responsible for the stable delivery of air to the filter and subsequently to the engine. By maintaining the factory geometry, the pipe ensures predictable operating conditions for the power unit, which promotes uniform combustion and proper operation of the auxiliary equipment. It is a practical solution for users looking for an original intake design tailored to the specifics of the N47N engine.

Specifications and technical data

• SKU: 8517608-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8517608
• Substitutable numbers: 13718517608, 8517608, 13718512249, 8512249
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The air filter intake pipe in the BMW X3 F25 with a diesel engine is responsible for directing the intake air to the filter housing, while maintaining the appropriate cross-section and length of the conduit. A properly selected component of this type helps to reduce pressure drops in the intake, which promotes stable operation of the turbocharging and engine control systems. Proper air routing is important for both performance and the durability of other intake components.

Benefits of using an original intake pipe

Using an original air filter intake pipe in a BMW X3 F25 with a diesel engine allows for the preservation of factory flow parameters and fitment within the engine bay. A component designed for a specific vehicle model ensures:

• consistency with the mounting system and brackets in the engine bay,
• proper routing of the air stream to the filter,
• reduced risk of leaks at the connections,
• compatibility with covers and other intake conduits.

As a result, the air intake system operates under conditions close to factory specifications, which is beneficial for the stability of the diesel engine's operation and for the accuracy of sensor readings in the intake.

Component characteristics and installation

The pipe belongs to the Lines, hoses and pipes group, which are components responsible for transporting operating media and air in the vehicle. The design intended for the specific N47N engine version facilitates installation at the original mounting points, without the need for modifications or diameter adjustments. In practice, this translates into shorter service time and a lower risk of installation errors.

A component of this type is particularly useful when replacing a damaged or leaking section of the intake, as well as in situations where the existing conduit shows signs of material wear. Maintaining tightness in this area is important for the proper operation of the turbocharging system and for maintaining the correct mixture parameters in the diesel engine.

Application in BMW diesel engines

The air filter intake pipe has been designed to work with a diesel power unit, which means it is matched to the air flow characteristics typical of diesel engines. In such designs, the quantity and quality of the intake air have a direct impact on boost pressure, exhaust gas recirculation system operation, and overall engine refinement. A properly selected intake conduit helps to reduce unwanted turbulence and pressure drops, supporting stable operating parameters of the diesel unit.

Complementing the BMW intake system

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 conduits, flexible hoses, or breather pipes, check the available parts in the BMW lines, hoses and pipes category.

Technical support and knowledge about BMW units

When working with the intake system and BMW diesel units, it is worth knowing the typical weak points of individual engine series to better plan inspections and repairs. Additional knowledge about specific design problems in selected models can be found in the article Troublesome BMW E90 engines: check what can ruin your budget!, which helps to consciously approach the operation and service of cars of this brand.

Summary

BMW X3 F25 N47N Intake Box Silencer Filtered Air Muffler Hose Pipe Line is a practical choice for users who want to restore the proper operation of the intake system in their diesel vehicle. A properly selected element from the lines and hoses group allows for maintaining factory air flow parameters, supporting the correct operation of the power unit and other components related to the intake.