Intake Hose BMW F10 F11 Diesel N47N 520d Silencer Filtered Air Pipe Tube 8508047

Intake Hose BMW F10 F11 Diesel N47N 520d Silencer Filtered Air Pipe Tube is an intake system component designed for diesel engines, responsible for stable air delivery to the power unit. Thanks to its precise geometry and integrated silencer function, it ensures a more uniform flow, reducing unwanted vibrations and noise in the intake system. This is a practical solution for users looking for a proven, used component with factory performance characteristics.

Specifications and technical data

• SKU: 8508047
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8508047
• Substitutable numbers: 8508047, BG
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The presented hose belongs to the Hoses, pipes and tubes group and is used in BMW vehicles with a diesel engine. Its task is to guide the air sucked in by the intake system and dampen flow pulsations thanks to the built-in resonance chamber. This solution promotes stable engine operation, improves refinement, and reduces the transmission of vibrations to other auxiliary components.

In diesel engines, it is particularly important to maintain tightness and the correct shape of the intake ducts. Using a dedicated hose with a silencer helps to:

• maintain the correct direction and speed of airflow,
• reduce intake air noise,
• decrease mechanical loads acting on subsequent elements of the intake system.

Construction and fitment for BMW F10/F11

Intake Hose BMW F10 F11 Diesel N47N 520d Silencer Filtered Air Pipe Tube has been designed as a component structurally matched to the engine bay in these models. Properly profiled sections of the hose allow it to be routed along the factory-intended path, maintaining clearances relative to other components. As a result, installation is orderly, and the risk of incorrect positioning or rubbing against adjacent elements is limited.

The air silencer integrated with the hose acts as an additional chamber that compensates for pressure changes in the intake. In practice, this translates into a more predictable engine response to load and smaller acoustic fluctuations in the operating range typical for diesel units.

Characteristics of the used component

The offered hose comes from dismantling and has the status of a used component, which is an attractive option for drivers looking for an economical solution while maintaining the original operating characteristics of the system. Such elements are often chosen for maintenance repairs when structural compliance with the factory intake system is a priority.

To maximize the potential of a used hose, it is worth paying attention to the following before installation:

• the condition of the outer surface for any cracks or abrasions,
• the tightness of connections at the clamp seating points,
• the cleanliness of the inside of the hose and the silencer chamber.

For users interested in longer and trouble-free operation of used intake system components, the following guide may be helpful: How to extend the life of used car parts?, which describes practical maintenance methods for dismantled components.

Benefits of using a dedicated intake hose

Using a hose with a silencer, matched to a specific BMW model with a diesel engine, brings a number of practical operational benefits. The most important include:

• stable airflow across the entire rev range,
• reduction of intake noise typical for diesel units,
• preservation of the factory geometry of the intake system,
• easier diagnostics of potential leaks thanks to the predictable routing of the hose.

An element configured in this way allows the engine's operating parameters to be maintained at a level close to the factory standard, which is particularly important when operating vehicles in daily traffic and on longer routes.

Expanding the intake system in BMW

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 additional intake hoses, flexible hoses, or rigid air pipes, check the available parts in the BMW Hoses, pipes and tubes category.