BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626

BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover is an original component from the Electronic control modules and controllers group, designed for the right side of the pollen filter housing. It maintains proper coverage of modules and wiring, ensuring stable operating conditions for electronics and correct air circulation in the vehicle.

Specifications and technical data

• SKU: 8379626
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8379626
• Substitutable numbers: 64318379626, 8379626, 64318364774, 8364774
• Location on the vehicle: Right
• Color: Black
• Category: ECUs & Computer Modules

Purpose and function in the BMW E39

The right-side pollen filter service cover is responsible for protecting electrical and electronic components located in the cowl area. A properly installed cover limits the access of moisture, contaminants, and dust to sensitive components, which promotes stable operation of control systems and comfortable performance of the ventilation and air conditioning systems.

Thanks to its precise fit for this specific BMW generation, the component retains factory mounting geometry and shape, which facilitates installation and allows for maintaining the original rigidity of the entire pollen filter assembly.

Design, color, and fitment

The cover has been designed as a dedicated component for the right side of the vehicle, which eliminates compatibility issues and non-factory fitment problems. The construction is intended to work with the standard pollen filter housing and adjacent cowl covers, creating a cohesive, sealed system after installation.

The black color of the housing allows for aesthetic integration into the cowl area without standing out from other factory elements. This is important from both a visual and service perspective – the mechanic has clear access to the modules, while the entire assembly maintains an orderly appearance.

Condition, origin, and benefits of use

The component comes from dismantling, which allows for maintaining the original manufacturer's specifications and the fitment characteristic of factory-installed parts. Choosing such a housing is beneficial for repairs after flooding, replacing damaged covers, or organizing the cowl area after previous non-factory modifications.

Using an original cover promotes:

• maintaining proper protection of control modules and electrical harnesses,
• reducing the risk of water and dirt ingress into the vicinity of electronics,
• preserving the factory airflow layout through the pollen filter,
• easier diagnostics and servicing of components in the cowl area.

Significance for electronics and control modules

In BMW 5 Series vehicles, such as the E39, the pollen filter area is often a mounting location for critical electronic modules. The proper right-side pollen filter service cover helps maintain stable operating conditions for these components, which translates into lower susceptibility to failures resulting from moisture or dirt.

For users planning long-term vehicle operation, replacing a damaged or missing cover with an original component is a sensible investment in the reliability of control systems and daily driving comfort.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the electronics and control area in your BMW and need other components from the same group, such as control modules, controllers, or wiring covers, check the available parts in the BMW Electronic control modules and controllers category.

To better understand how to care for electronic systems in BMW 3 and 5 Series and how to safely use dismantled parts for control system repairs, it is worth checking out the guide: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using dismantled parts?