BMW E60 LCI E90 E91 E92 335i 535i N54 Air Filter Box Intake Silencer 7556547

The BMW E60 LCI E91 N54 Air Filter Housing is an original part from the Intake Manifolds group, designed for N54 engines in popular facelifted BMW 5 and 3 Series models. The manufacturer-designed housing ensures proper air routing to the intake system, stable filter mounting, and compatibility with the factory engine bay architecture.

Specifications and technical data

• SKU: 7556547
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7556547
• Substitutable numbers: 13717556547, 7556547, 13717600031, 7600031, ŁS, 51757241831, 7241831
• Category: Intake Manifolds

Intended Use and Function in the Intake System

The air filter housing in the N54 engine is responsible for the sealed routing of ingested air, its initial flow stabilization, and the secure seating of the filter element. Together with the intake manifold, it forms a cohesive intake system that influences engine smoothness, throttle response, and combustion parameters.

Thanks to its factory design tailored for BMW E60 LCI, E90, and E91, this component works with standard mountings, hoses, and sensors, facilitating installation and reducing the risk of intake system leaks.

Construction and Fitment for BMW N54

The housing has been specifically designed for the N54 engine's intake system, considering engine bay geometry and air hose routing. The shape and placement of mounting points allow for stable installation of the component without stress or unwanted vibrations.

The factory design ensures:

• appropriate filter chamber volume for the N54 engine,
• predictable airflow to the intake manifold,
• compatibility with factory intake hoses and accessories.

This preserves the engine's operating characteristics in line with the manufacturer's specifications, without the need for additional modifications.

Benefits of Using an Original Housing

Using the original air filter housing in a BMW N54 intake system helps maintain stable operating conditions for the power unit. The sealed, factory design minimizes the risk of unfiltered air intake, which is crucial for the longevity of turbochargers and internal engine components.

Key benefits include:

• compliance with the original intake system design,
• easy installation in place of a worn or damaged part,
• maintenance of factory airflow parameters.

For users who value predictability and stable operation of the N54 engine, choosing an original housing is a technically safe solution consistent with the manufacturer's intentions.

Condition, Verification, and Service Application

This part is a used item, offered as a used BMW part, allowing for an economical repair of the intake system while maintaining the original design. This type of component is particularly useful for replacing a damaged housing after a collision, improper installation, or prolonged use.

Before installation, a standard check of seals, clip condition, and mating surfaces for gaskets is recommended to ensure the intake system maintains proper sealing and does not generate engine operational errors.

Part Selection and Further Knowledge

The air filter housing is part of a group of components that work with the intake manifold, mass airflow sensor, and other intake components. When planning service work, it is advisable to check the condition of hoses, clamps, and seals to avoid subsequent leaks and performance drops.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as manifolds, intake hoses, or filter housings, check the available parts in the BMW Intake Manifolds category.

For users interested in a broader context of exhaust and intake system modifications and servicing, an article describing the impact of components on engine performance characteristics may be helpful – you can find it here: Performance Exhaust Systems: Used Sport Manifolds and Catalytic Converters on the Road.