BMW F20 F30 N47S1 Air Intake Pipe Intercooler Tube Hose Line Silencer 8509815

BMW F20 F30 N47S1 Air Intake Pipe Intercooler Tube Hose Line Silencer is an original intake system component designed for BMW N47S1 diesel engines. It is responsible for stable airflow to the intake system, which promotes smooth engine operation and proper interaction with engine accessories. Thanks to its factory geometry and fitment for the specific F20/F30 body configuration, the pipe ensures predictable intake system performance during daily use.

Specifications and technical data

• SKU: 8509815-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8509815
• Substitutable numbers: 8509815, 13718509815
• Fuel type: Diesel
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The pipe belongs to the Lines, hoses and tubes group and is a component of the air path between the intake system and other intake components. In a Diesel engine, stable airflow is essential for proper boost, emission control, and engine refinement.

A properly shaped intake pipe helps to:

• maintain proper airflow under various engine loads,
• minimize pressure drops in the intake system,
• reduce unwanted turbulence that can affect the operation of accessories,
• ensure stable conditions for engine control systems.

Benefits of using an original BMW pipe

Using an original air pipe in a BMW F20/F30 with an N47S1 engine allows you to maintain the factory performance parameters of the engine. Precise fitment of shape and diameter to the specific model reduces the risk of leaks, installation stress, and collisions with other engine bay components.

Key advantages include:

• factory geometry matched to the BMW F20/F30 intake system,
• stable airflow in the diesel engine,
• compliance with the manufacturer's original specifications,
• possibility of installation in place of a worn or damaged pipe without interfering with the vehicle's structure.

Condition of the item and service application

The offered pipe comes from the used parts group, making it a service solution with a favorable cost-to-functionality ratio. It is primarily intended as a replacement for a component that is worn out, mechanically damaged, or deformed due to operation at elevated temperatures.

Replacing the air intake pipe is recommended, among other situations, when:

• there are leaks in the intake system,
• cracks, abrasions, or deformations of the pipe are visible,
• problems with smooth engine operation related to air supply occur.

Compatibility and vehicle fitment

The component was designed for BMW F20 and F30 platforms with the N47S1 diesel unit. Proper fitment to the specific body variant and engine is crucial for correct installation and avoiding stress in the intake system. Before installation, it is worth verifying the compatibility of the part with the vehicle configuration based on technical data and manufacturer markings.

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 vacuum lines, intake hoses, or breather tubes, check the available parts in the BMW Lines, hoses and tubes category.

Technical support and service knowledge

When working on the chassis and components interacting with the engine, knowledge about other vehicle sub-assemblies may also be helpful. To expand your information on diagnostics and operation of mechanical components, it is worth reading the guide Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which facilitates a holistic approach to car maintenance.