BMW X3 F25 Door Pillar B Cover Rear Right High Gloss 7250380

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW X3 F25 Door Pillar B Cover Rear Right High Gloss is an original body component from the Window seals and trims group, designed for installation in the rear right section of the vehicle. It provides an aesthetic finish to the B-pillar while stabilizing the fitment of door seals and windows, which translates to reduced noise and better protection of the interior against external factors. Thanks to the factory fitment for the BMW X3 F25, the installation is precise and does not require any bodywork modifications.

Specifications and technical data

• SKU: 7250380
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7250380
• Substitutable numbers: 7250380, 51357250380, 4878340, 51334878340
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Window Seals, Gaskets & Trims

Purpose and function of the component

The B-pillar cover on the right side of the rear body section is responsible for the proper finishing of the area between the door and the body structure. This component:

• stabilizes the position of door and window seals,
• limits the ingress of water and contaminants around the pillar,
• supports the reduction of wind noise while driving,
• ensures a visually consistent division between the window and the door panel.

As a result, the B-pillar cover influences both acoustic comfort and the durability of the adjacent sealing elements.

Construction, color, and fitment

The presented component is finished in black, which corresponds to the factory B-pillar finish of the BMW X3 F25 and allows for a uniform appearance of the side body line. The design of the cover is prepared for installation in a specific location on the vehicle – the rear right side – which eliminates the problem of universal replacements and ensures proper alignment with the door and window.

As a part from the Window seals and trims group, the cover works with adjacent seals and decorative trims, creating a tight and visually organized assembly. The properly selected profile facilitates installation and minimizes the risk of stress within the pillar area.

Performance characteristics and benefits of installation

Using this cover in the BMW X3 F25 allows for the restoration of the factory appearance and functionality of the side body section after mechanical damage, corrosion, or previous repairs. The component helps to:

• maintain proper adhesion of door and window seals,
• limit the risk of leaks in the B-pillar area,
• preserve a consistent, factory look of the vehicle's side,
• reduce potential rattles and vibrations in the door area.

For the user, this means more comfortable operation, lower noise levels in the cabin, and an aesthetic finish of the rear right door zone.

Installation zone and compatibility

The cover has been specifically designed for installation in the rear right section of the BMW X3 F25 body, which guarantees compatibility with the geometry of the B-pillar and the adjacent door. Its dedicated purpose facilitates service work – the component fits factory mounting points, and its shape is matched to the body lines of this model.

Such a solution is particularly beneficial for post-accident repairs or body restoration, where maintaining original gaps and dividing lines between body components is crucial.

Expanding the scope of repair

If you are planning a comprehensive repair or upgrade of the door and window zone in your BMW and need other components from the same group, such as covers, seals, or trim strips, check the available parts in the BMW Window seals and trims category.

For a better understanding of how the condition of the body and adjacent components affects vehicle operation in varying thermal conditions, it is also worth reading the guide on the cooling system and economical component operation – you can find it in the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.