BMW 1 3 Series E81 E87N LCI E90 E91 Air Filter Box Housing Diesel N47 7797460

BMW E81 E87N LCI E90 E91 Air Filter Housing N47 is an original intake system component designed for BMW diesel engines. It ensures stable mounting of the filter element and proper air routing to the engine, which contributes to the efficient operation of the diesel engine and reduces contamination of the intake air. A used housing is a good choice for drivers looking for a factory fit without the need for aftermarket alternatives.

Specifications and technical data

• SKU: 7797460
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 13717797460
• Substitutable numbers: 13717797460, 7797460, INTAKE SILENCER
• Fuel type: Diesel
• Category: Air Filters

Purpose and Function of the BMW Air Filter Housing

The presented air filter housing belongs to the Air Filters category and is compatible with N47 family Diesel engines used in BMW 1 and 3 Series models. The component is responsible for securely enclosing the filter element and directing the airflow so that as clean and properly muffled air as possible is drawn from the engine bay into the intake manifold.

A properly selected air filter housing helps to:

• maintain stable operating parameters of the diesel engine,
• limit the ingress of contaminants into the intake system,
• ensure correct seating of the filter element,
• preserve the factory airflow characteristics.

Benefits of Using an Original BMW Housing

The original BMW air filter housing is designed for a specific engine and engine bay, offering:

• factory fit to the intake system without the need for modifications,
• correct routing of air channels and cooperation with other intake components,
• preservation of stock acoustic characteristics thanks to integrated intake air muffling,
• consistency with other BMW components in terms of mounting and geometry.

For the user, this means simpler installation, predictable engine behavior, and no compatibility issues that can arise with unproven aftermarket parts.

Condition of the Component and Practical Application

The air filter housing is offered as a used part, allowing for economical repair or replacement of a damaged component while maintaining the original manufacturer's specifications. This solution is particularly beneficial in situations where the existing housing has cracked, deformed, or lost its seal at the connections with the intake pipes.

Replacement of the housing is recommended, among other things, when:

• there are leaks resulting in the suction of unfiltered air,
• unusual noises are heard from the intake system area,
• the filter cover mountings are damaged and do not guarantee stable pressure on the filter element.

Why Choose BMW Air Filters

Using original solutions within the intake system directly impacts engine durability, running smoothness, and fuel consumption. An air filter housing tailored to a BMW diesel engine helps maintain proper airflow, which promotes stable operation of the injection system and turbocharger. This is particularly important in modern diesel engines, where even minor leaks can lead to a drop in performance or diagnostic errors.

If you are looking for other BMW air filters for your car, check out our dedicated category: BMW air filters. To expand your knowledge about the impact of components on driving safety and comfort, you can also read our guide article: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers.