BMW E81 E87 LCI E90 E91 Diesel N47 Air Intake Inlet Pipe Tube 7804846

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E81 E87 LCI E90 E91 Diesel N47 Air Intake Inlet Pipe Tube is an original intake system component designed for BMW N47 diesel engines. Thanks to its factory-spec geometry and precise fitment for the specific platform, it ensures stable airflow to the engine, which promotes smooth operation of the power unit and proper interaction with auxiliary components. This used part from the Hoses, pipes and tubes category provides a functional service solution for demanding users.

Specifications and technical data

• SKU: 7804846-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7804846
• Substitutable numbers: 7804846, 13717804846
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The air intake pipe in the N47 diesel engine is responsible for directing intake air between the components of the intake system. A correctly selected cross-section and shape of the pipe reduce pressure drops, which promotes efficient turbocharger operation and stable combustion parameters. In BMW E81, E87 LCI, E90, and E91 models, maintaining proper airflow has a direct impact on engine refinement, throttle response, and the correct operation of engine control systems.

Benefits of using an original BMW pipe

Using an original BMW air intake pipe in a diesel engine allows you to maintain the factory design specifications of the intake system. In practice, this means:

• reliable fitment to mounts and adjacent components in the engine bay,
• maintaining the airtightness of connections within the intake system,
• reducing the risk of leaks that cause power loss or ECU errors,
• preserving the factory airflow parameters for the diesel unit.

As a result, the pipe can be used both as a replacement part during standard repairs and when restoring the factory configuration after previous modifications.

Performance characteristics and installation

The air intake pipe designed for the N47 diesel engine in BMW 1 and 3 Series is engineered to operate under elevated temperatures and varying pressure load conditions. The design of the pipe is adapted to the factory routing in the engine bay, which facilitates installation and allows for seamless integration with the existing intake system. A used component can be a good choice in situations where the current pipe has cracked, deformed, or shows signs of leakage.

Application in diesel engines

The intake system in diesel units is particularly sensitive to any leaks and changes in pipe geometry. In the N47 diesel engine, a properly selected air intake pipe helps maintain correct boost values and stable mixture parameters. Replacing a worn component with an original BMW pipe allows you to:

• reduce the risk of power drops associated with pressure loss,
• limit smoke emissions resulting from an incorrect air-fuel mixture,
• maintain proper cooperation with the engine control system and auxiliary equipment.

An informed choice of used parts and the eco-tuning aspect

By choosing a used BMW air intake pipe, you are selecting a service solution that allows you to reduce repair costs while utilizing a part from an original system. It is also a practical element of vehicle maintenance, where the reuse of functional components aligns with the idea of responsible resource management. If you would like to learn more about the possibilities of improving performance while reducing your environmental impact, it is worth reading the article Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts.

If you are planning a comprehensive repair or upgrade of the intake system area in your BMW and need other components from the same group, such as flexible hose sections, rigid pipes, or intake connectors, check out the available parts in the BMW Hoses, pipes and tubes category.