BMW 1 3 Series E82 E90 E91 E92 LCI Air Channel Tube Intake Silencer N47 7798876

The BMW E82 E90 N47 Air Intake Duct is an original intake system component designed for BMW models with the N47 engine, ensuring stable air delivery to the engine compartment. Thanks to the factory-designed duct geometry, the correct airflow characteristics are maintained, which contributes to the efficient operation of the power unit and proper integration with the stock intake system. This solution is for users who want to restore the factory intake configuration in a technically correct manner.

Specifications and technical data

• SKU: 7798876
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7798876
• Substitutable numbers: 13717798876, 7798876
• Category: Other Air & Fuel Delivery

Purpose and Function of the Air Intake Duct

The presented air intake duct is an intake system component used in BMW E82 and E90 series with the N47 engine. Its function is to direct air from outside the vehicle to further intake components in a stable and repeatable manner, while adhering to original design specifications.

The appropriately shaped cross-section of the duct helps to reduce turbulence and pressure drops, which contributes to:

• maintaining predictable cylinder filling characteristics,
• proper interaction with the stock engine control system,
• preserving the factory operating parameters of the N47 unit.

Construction and Fitment for BMW E82 / E90 N47

The duct's construction is designed for the specific body styles and engine compartments of the BMW E82 and E90, which translates to precise fitment with factory mounting points. The appropriate profiling allows for air routing within the engine bay, taking into account the stock placement of other components.

This element belongs to the Other category, which in practice means it is a specialized part, strictly related to a specific engine-body configuration, rather than a universal intake component.

Characteristics of a Used Part

The offered intake duct is a used part, sourced from disassembly. Such intake system components generally retain their functionality for a long period of use, provided there are no mechanical damages or deformations. For air ducts, the following are crucial:

• maintaining airtightness along its entire length,
• absence of cracks and excessive deformations,
• stable mounting points in the engine bay.

Choosing a used OEM part allows for the preservation of the original airflow geometry, which is important for maintaining the stock operating parameters of the N47 engine.

Application in Service and Restoring Factory Configuration

BMW vehicles with the N47 engine often undergo intake system repairs and upgrades. In situations where the air intake duct is damaged, incomplete, or replaced with a non-factory solution, using an original part allows for:

• restoring the stock routing of the intake duct,
• minimizing the risk of leaks within the intake system,
• maintaining compliance with BMW's original design intentions.

This is particularly important in vehicles where preserving the factory technical configuration is a priority, e.g., during fleet maintenance or when restoring a car to a near-original condition.

Related Categories and Technical Knowledge

If you are looking for other elements from the Other BMW category, it is worth checking the dedicated offer, which includes various specialized components from this brand: Other BMW.

For those interested in comparing technical solutions used in different brands and model versions, including sports variants, an article discussing the differences in engine, brake, and chassis construction might be helpful: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.

If you are considering a more extensive restoration or upgrade of an older BMW using parts from disassembly, it is worth familiarizing yourself with material describing practical scenarios for refreshing cars from the 1998–2012 period: Second Life for a Youngtimer – How Used Car Parts Revitalize Cars from 1998–2012.

Summary

The BMW E82 E90 N47 Air Intake Duct is a functional, original intake system component designed for specific BMW configurations with the N47 engine. It ensures air delivery to the engine in accordance with the manufacturer's specifications, contributing to stable engine operation and facilitating servicing while maintaining the vehicle's factory specifications.