BMW F20 F21 F30 LCI B37 B47 Filtro Box Aspirazione Silenziator Coperchio 8578649

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BMW F20 F21 F30 LCI B37 B47 Air Intake Filter Housing is an original housing from the Air Filter Housings category, designed for the intake system in selected BMW 1 and 3 Series models after facelift. The component ensures proper air guidance to the filter and stable mounting of the filter element, which promotes uniform engine operation.

Specifiche e dati tecnici

• Codice articolo: 8578649-3
• Marca: BMW
• Condizione: Usato
• Numero di parte OEM: 8578649
• Numeri sostituibili: 8578649, 13718578649
• Peso: 150
• Categoria: Scatole filtro dell'aria

Intended Use and Function in the Intake System

The BMW Air Intake Filter Housing is responsible for the airtight seating of the filter element and directing the flow of air drawn into the engine. A correctly selected housing:

• stabilizes airflow in the intake duct, reducing turbulence before the airflow meter and intake manifold,
• ensures proper sealing between the filter and the rest of the system, which reduces the risk of contaminants entering the engine,
• maintains the correct filter position relative to the intake ports and mountings in the engine bay.

In BMW F20, F21, and F30 LCI vehicles with B37/B47 engines, a properly functioning air filter housing is important for stable engine operation, idle quality, and response to load.

Construction and Technical Features of the Housing

The presented housing belongs to the Air Filter Housings type of components, designed specifically for BMW intake systems. The construction includes:

• dedicated mountings for the body and adjacent components, which facilitates correct positioning in the engine bay,
• integrated ports and sockets for intake hoses and potential sensors, in line with solutions used in the F series,
• a filter chamber housing with a shape adapted to airflow and spatial constraints in the specific model.

The appropriately selected geometry of the housing supports the maintenance of stable intake air parameters, which is important for the engine control system's operation.

Condition, Origin, and Benefits of Use

The component comes from the BMW offering and is an OEM part, meaning it complies with factory dimensional and assembly standards. As a used part, it provides:

• factory fitment to the intake system in the appropriate versions of BMW F20, F21, and F30 LCI,
• compatibility with original mounting points and hose routing,
• the possibility of direct replacement of a damaged or deformed housing without the need for installation modifications.

Using an original air intake filter housing allows for the restoration of correct intake system operating conditions after a collision, mechanical damage, or wear and tear of the housing.

Assembly and Operational Aspects

The housing is designed for installation in factory body points, which facilitates service and subsequent air filter maintenance. In practice, this means:

• predictable assembly time for a mechanic or service center,
• easy access to the filter element during periodic inspections,
• maintenance of original intake geometry, which promotes engine operating parameters consistent with manufacturer's specifications.

Additionally, the appropriately selected mass of the component contributes to maintaining the correct load distribution in the engine bay and does not require modifications to existing brackets.

Related BMW Air Filter Housings and Technical Knowledge

If you need other elements from the BMW Air Filter Housings category for your car, check the BMW air filter housings available in our store to select a component tailored to the specific engine and body version.

For drivers interested in a broader technical context of the chassis system and the impact of component condition on safety, we recommend the guide article Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers, which helps in better planning vehicle service maintenance.