Air Intake Pipe BMW F10 F11 Diesel Engine N47S1 Air Inlet Hose 8509816

Air Intake Pipe BMW F10 F11 Diesel Engine N47S1 Air Inlet Hose is an air supply system component designed for BMW 5 Series diesel units with the N47S1 engine. As a part from the Lines, hoses and pipes group, it is responsible for stable, airtight, and directional air routing to the intake system, which promotes the proper operation of the diesel engine.

Specifications and technical data

• SKU: 8509816
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8509816
• Substitutable numbers: 8509816, 13718509816
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The air intake pipe in BMW F10 and F11 models with the N47S1 engine operates in a demanding thermal and flow environment. It is responsible for:

• directing the airflow to the diesel engine intake manifold,
• maintaining proper system airtightness,
• providing a stable connection between intake system components,
• reducing air pressure drops along the pipe section.

Thanks to a properly selected intake pipe, the air supply system maintains its designed flow parameters, which promotes smooth engine operation and correct interaction with engine accessories.

Benefits of using an original BMW intake pipe

The component from the Lines, hoses and pipes group, dedicated to the specific configuration of the BMW F10/F11 with a diesel engine, ensures geometric fitment to factory mounts and adjacent sub-assemblies. This translates into:

• secure seating in brackets and clamps,
• correct routing relative to other engine bay components,
• reduced risk of unwanted vibrations and chafing,
• easier installation and removal during service work.

Selecting an intake pipe designed for a diesel engine allows for maintaining proper operating conditions of the system, which is particularly important in diesel units sensitive to leaks and airflow disturbances.

Performance characteristics and installation

The Air Intake Pipe BMW F10 F11 Diesel Engine N47S1 Air Inlet Hose is designed to operate in a Diesel-powered system, taking into account the thermal and pressure loads typical for this unit. The design of the pipe allows for:

• maintaining appropriate rigidity while ensuring installation flexibility,
• compatibility with factory clamps and connectors,
• consistency with the original BMW intake system geometry.

During replacement, it is recommended to check the condition of adjacent intake system components and apply the correct tightening torques for clamps to maintain the tightness and durability of the connections.

Application in service and diagnostics

In the case of symptoms such as power loss, uneven diesel engine operation, air whistling in the engine bay, or boost pressure-related errors, checking the condition of the air intake pipe is one of the basic diagnostic steps. Replacing a worn-out pipe with the appropriate component dedicated to the BMW F10/F11 with the N47S1 engine allows you to:

• eliminate leaks in the intake system,
• restore proper airflow parameters,
• reduce the risk of contaminants entering further parts of the system.

A well-chosen intake pipe supports stable engine operation and facilitates further diagnostics of potential air supply system issues.

Expanding the BMW intake system

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 lines, flexible hoses, or rigid air routing pipes, check the available parts in the BMW lines, hoses and pipes category.

For drivers interested in optimizing service costs and making informed choices when using used parts for repairs of other brands, a guide describing ways to save on original components may be helpful – you can find it in the article Repairing a Volkswagen for pennies? Discover how to save on original car parts.