BMW 3 SERIES E91 E91N LCi Window guide web cover right rear door O/S 7906916

BMW 3 SERIES E91 E91N LCi Window guide web cover right rear door O/S is an original body component from the Doors and door panels category, designed for installation in the rear right section of the vehicle. This carefully designed window pillar cover provides an aesthetic finish to the door edge and ensures stable guidance for the seal and window, which translates into acoustic and visual comfort. It is a practical solution for users who want to restore the factory look of the side body area in their BMW.

Specifications and technical data

• SKU: 7906916
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 51357906916
• Substitutable numbers: 51357906916, 7906916
• Location on the vehicle: Rear, Right
• Category: Doors & Door Skins

Purpose and function of the component

The window pillar cover mounted on the rear right door is responsible for covering the vertical part of the door structure and for the proper guidance of the window in its upper range of operation. This component:

• stabilizes the contact area between the window and the seal,
• limits the ingress of dirt and moisture into the door interior,
• visually organizes the side line of the body,
• supports the maintenance of proper door edge rigidity.

Thanks to its precise fit for the specific BMW model, the cover works with factory guides, seals, and the window, without the need for modifying the door structure.

Construction and fitment for BMW

The window pillar cover has been developed as a part dedicated to a specific generation of BMW, which guarantees precise fitment with the door edge and adjacent body components. The geometry of the cover corresponds to factory tolerances, thanks to which:

• the gap line between the door and the body remains uniform,
• the surface of the cover adheres well to the door skin,
• the component does not interfere with the window lifting mechanism.

The placement on the vehicle defined as the rear right side allows for unambiguous identification of the mounting position and avoids mistakes when selecting parts.

Benefits of using an original window pillar cover

Using an original window pillar cover in a BMW E91 brings a number of practical operational benefits:

• Consistent body appearance – maintaining a uniform side line, without differences in shape or profile compared to other door elements.
• Reduction of wind noise – a properly fitted cover helps maintain tightness in the window area.
• Better protection of the door edge – the cover acts as an additional barrier against moisture and small debris.
• Hassle-free installation – the design is intended for factory mounting points in the door.

This solution is particularly useful after bodywork repairs, door replacement, or during the gradual restoration of the side part of the body.

Condition and practical application

The item is offered in used condition, which allows for an economical replacement of a damaged or worn cover while maintaining the manufacturer's original specifications. In practice, this means the possibility of restoring proper window guidance and an aesthetic pillar finish without the need to resort to replacements with uncertain fitment.

Before installation, it is recommended to perform a standard inspection of the surface and mounting points, and then install it in accordance with the service procedures provided for the rear right door in the given BMW model.

Expanding the scope of repair and technical knowledge

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other components from the same group, such as skins, reinforcements, or additional covers, check the available parts in the BMW Doors and door panels category.

For users interested in deepening their knowledge about systems used in modern cars, including solutions affecting engine efficiency and exhaust emissions, the following article may be helpful: EGR: what it is and why it is worth considering used EGR valves.