BMW 5 Series E39 Lower Air Microfilter Cover Housing Part Right O/S 8379624

BMW 5 Series E39 Lower Air Microfilter Cover Housing Part Right O/S is an original ventilation system component designed for the right side of the cabin air filter housing. This used BMW part ensures factory-fit, stable filter mounting, and proper airflow within the ventilation system, which translates into efficient operation of the ventilation system and cabin comfort. It is a practical solution for users who want to maintain the original BMW construction without the need for aftermarket replacements.

Specifications and technical data

• SKU: 8379624
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8379624
• Substitutable numbers: 64318379624, 8379624, EM
• Location on the vehicle: Right
• Category: Pollen Filters

Purpose and function of the component

The lower right cabin air filter cover housing in the BMW E39 is responsible for seating and covering the filter element in the right part of the ventilation system. A correctly selected component:

• stabilizes the cabin air filter in the position intended by the manufacturer,
• limits the ingress of contaminants from the engine bay into the filter area,
• supports proper airflow through the filter element,
• helps maintain the tightness of the ventilation system on the passenger side.

Thanks to this, the ventilation system can effectively work with the pollen filter, which is important for both the durability of ventilation components and the comfort of the vehicle's occupants.

Construction and fitment for the BMW E39

The lower right cabin air filter cover housing has been designed specifically for the architecture of the filter housing in the BMW E39. This means that the geometry, mounting points, and edge shapes are consistent with the manufacturer's factory specifications. This facilitates installation and allows for the maintenance of original airflow routing within the right side of the system.

The placement on the right side of the vehicle is important when selecting parts – the component is intended for a specific mounting position and should be used only in this location. Such fitment reduces the risk of stress, leaks, and improper seating of the cabin air filter.

Benefits of using an original housing

Using an original, used cabin air filter cover housing in the BMW E39 allows for maintaining the structural integrity of the ventilation system. The main advantages of this solution include:

• factory fitment with other components of the filter housing,
• preservation of the airflow geometry intended by the manufacturer,
• easier installation due to compatibility with original mounting points,
• the possibility of an economical repair of the ventilation system while maintaining OEM parts.

A used part is a good choice in a situation where the existing housing has suffered mechanical damage, deformation, or wear, and the goal is to restore the proper operation of the cabin air filter without interfering with the vehicle's construction.

Application in the Cabin Air, Pollen Filters system

The lower right cabin air filter cover housing works directly with the pollen filter element, serving as an auxiliary component in the Cabin Air, Pollen Filters category. A correctly selected and installed housing:

• enables proper positioning of the filter element,
• supports the maintenance of clean air supplied to the vehicle interior,
• limits the risk of air leaks outside the filter,
• helps maintain stable operating conditions for the air conditioning and heating system.

Thanks to this, replacing the cabin air filter itself is more effective, and the entire ventilation system can operate under conditions close to factory specifications.

If you are planning a comprehensive repair or upgrade of the ventilation and air filtration zone in your BMW and need other components from the same group, such as additional housings, covers, or filter shields, check the available parts in the BMW Cabin Air, Pollen Filters category.

Practical installation and maintenance tips

When replacing the lower right cabin air filter cover housing in the BMW E39, it is worth paying attention to the condition of adjacent ventilation system components and the filter element itself. It is recommended to:

• check that the contact surfaces are clean and free of contaminants,
• inspect the flexible sealing elements within the filter housing area,
• assess the condition of the currently installed cabin air filter and replace it if necessary,
• firmly press the housing into the mounting points to avoid looseness.

Such an approach allows you to fully utilize the potential of the installed housing and reduce the risk of subsequent leaks or noises in the ventilation area.

If you are also interested in broader vehicle component diagnostics and the selection of used parts for other systems, an article discussing a practical approach to assessing the condition of parts and their fitment to a specific model may be helpful – you can find it here: Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain.