BMW E81 E82 E87 LCI Diesel N47 Air Suction Hood Panel 7797475

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW E81 E82 E87 LCI Diesel N47 Air Suction Hood Panel is an original intake system component designed for BMW 1 Series diesel engines after the facelift. The precisely shaped air intake pipe ensures stable airflow to the fuel system, which promotes smooth operation of the N47 unit. As a part from the Air and fuel intake sensors group, it is an important link in the proper management of the mixture in a diesel engine.

Specifications and technical data

• SKU: 7797475
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7797475
• Substitutable numbers: 13717797475, 7797475
• Fuel type: Diesel
• Category: Air Intake & Fuel Sensors

Purpose and function in the intake system

The presented air intake pipe has been designed specifically for BMW E81 and E87 models after the facelift, equipped with the N47 diesel engine. Its task is to direct the appropriate amount of air to the subsequent elements of the intake system so that the air and fuel intake sensors can operate under stable flow conditions. A properly selected intake duct reduces turbulence, supports uniform cylinder filling, and helps maintain correct combustion parameters in a diesel engine.

Benefits of using an original intake pipe

Using an original intake duct in a BMW with an N47 engine translates into a number of practical advantages:

• precise fit to factory mounts and routing in the engine bay,
• maintenance of correct airflow geometry to the fuel system,
• stable operating conditions for components from the Air and fuel intake sensors group,
• reduced risk of leaks and uncontrolled suction of contaminants.

Thanks to this, the intake system retains its factory characteristics, and the engine control unit can precisely control the fuel dose and the operating parameters of the diesel unit. This is particularly important in modern diesel engines, where even small deviations in airflow can affect engine smoothness and fuel consumption.

Product characteristics and condition

The offered air intake pipe comes from a BMW vehicle and is a secondary market component in used condition. This means it is an original part that has been previously used but retains the functionality necessary for further operation in the intake system. For many users, this represents a reasonable compromise between purchase cost and maintaining factory-quality fitment.

The element is intended for use with a Diesel fuel type engine, which is important when selecting parts within the fuel and intake system. Choosing the right air intake pipe for the specific engine version reduces the risk of installation problems and ensures proper cooperation with other components.

Selection and compatibility within the Air and fuel intake sensors group

When replacing elements within the intake and fuel supply system, it is important that the intake duct is compatible with other components from the Air and fuel intake sensors group. This includes, among others, cooperation with the mass air flow sensor, air temperature sensors, or fuel dosage control elements. A properly selected air intake pipe helps maintain stable sensor readings, which translates into predictable engine response to load and maintenance of correct emission parameters.

In case of doubts regarding part selection, it is worth comparing the markings with the vehicle documentation or the existing element, paying attention to compatibility with the body version, the facelift generation (LCI), and the N47 engine unit type.

Why choose a used intake system component

Choosing a used intake duct for a BMW can be a reasonable solution, especially when you want to maintain the original design of the intake system while optimizing costs. Used components often come from vehicles in good technical condition, and their reuse allows for waste reduction and aligns with the idea of circular economy for parts.

If you want to learn more about the reuse of electronic elements and accessories in a car, practical tips can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses what to look for when choosing components from the secondary market.

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 ducts, air supply hoses, or housings working with sensors, check the available parts in the BMW Air and fuel intake sensors category.