Engine Air Intake BMW E90 E91 Diesel N47 Suction Hood 7798772

The BMW E90 E91 Diesel N47 Air Intake Duct is an original intake system component designed for BMW 3 Series models with the N47 diesel engine. It ensures stable airflow to the fuel system, promoting smooth engine operation. This is a practical solution for users looking for a proven OEM component for their diesel vehicle.

Specifications and technical data

• SKU: 7798772
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7798772
• Substitutable numbers: 13717798772, 7798772, 13717811906, 7811906, AS
• Fuel type: Diesel
• Category: Other Engine Parts

Intake Duct Purpose and Function

The presented air intake duct is part of the intake system in BMW 3 Series E90 and E91 models with the Diesel N47 engine. Its function is to direct the airflow to subsequent intake components in an organized manner, which contributes to stable engine operating parameters and reduces pressure drops in the system.

A properly selected air intake duct helps maintain the correct fuel supply conditions for the diesel engine, which is important for both performance and driving comfort. Using an original component preserves the factory airflow geometry and ensures proper fit with other engine bay components.

Compatibility with N47 Diesel Engine

The N47 engine is a popular diesel unit used in the BMW 3 Series, making the correct selection of intake components crucial for its durability. An air intake duct specifically designed for this fuel type and engine construction ensures:

• proper airflow to subsequent system components,
• consistency with the factory component layout in the engine bay,
• maintenance of airflow parameters as intended by the manufacturer.

This provides the user with a component that works with the engine according to its design specifications, without the need for modifications or adjustments to other parts.

Used Part Characteristics

The offered air intake duct is a used part from a dismantled vehicle, allowing for an economical replacement while maintaining original specifications. A used component of this type is an attractive solution when factory fitment and compatibility with the intake system are priorities, while also controlling vehicle operating costs.

Choosing an original, used intake system component is particularly beneficial for diesel engines, where stable operating parameters and correct air supply directly impact the durability of the powertrain and the performance of auxiliary equipment.

Practical Application in Service

The air intake duct for BMW E90/E91 with the N47 engine is suitable for both standard replacement of damaged parts and comprehensive intake system repairs. It can be used in:

• post-accident repairs where front-end components have been damaged,
• routine maintenance when the old intake duct is deformed or leaking,
• restoring the vehicle to a configuration close to its factory state.

Thanks to its original design, installation is predictable, and the component integrates seamlessly with other intake system parts without requiring modifications.

Other Parts and Technical Knowledge

If you are looking for other parts in the Other category dedicated to this brand, it is worth checking our offer at BMW Other Parts, where you will find a wide selection of compatible components for various models.

For users interested in a broader technical context of BMW diesel engines, including the N47 unit, a comparative article BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels may be helpful, discussing the performance, reliability, and operational specifics of popular engines.

If you want to better understand the differences in the construction of sports versions versus standard models, you can also refer to the guide Audi RS vs Other Models – What's Under the Hood and Chassis?, which illustrates how manufacturers modify powertrains, braking systems, and chassis in high-performance versions.