BMW E91 E91N LCI Moulding Trim Strip Side Frame Left N/S Chrome

BMW E91 E91N LCI Moulding Trim Strip Side Frame Left N/S Chrome is an original body component designed for installation on the left side of the rear window in 3 Series E91 models. The chrome finish ensures a consistent look with factory details, and the precise fit characteristic of BMW facilitates installation and helps maintain the aesthetics of the vehicle's side profile.

Specifications and technical data

• SKU: 7129667-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7129667
• Substitutable numbers: 51137129667, 7129667
• Location on the vehicle: Left
• Color: Chrome
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The rear window frame moulding on the left side is responsible for the aesthetic finish of the window edge as well as the proper guidance of the seal and the window's adhesion to the body. Replacing this component is recommended during body and paint work, after collisions, or in the case of visible mechanical damage that may disrupt the car's side line.

The chrome surface of the moulding highlights the characteristic BMW style and allows for the restoration of a consistent look of the factory decorative trim package around the windows. By maintaining the correct profile and geometry of the component, it is possible to maintain proper adhesion to the bodywork and reduce unwanted wind noise while driving.

Construction and finish

The moulding has been designed as a body-fitted component with a Chrome finish, which provides a characteristic, elegant visual accent. The profile of the element is adapted to the shape of the E91 estate rear window, ensuring that the continuity of the side body styling line is maintained after installation.

The placement on the vehicle on the left side allows for the precise reproduction of the original layout of the mouldings around the windows, without the need for body modifications. The properly selected stiffness and shape of the moulding promote stable seating at the edge of the window and cooperation with factory mounts.

Condition, fitment, and installation

The offered moulding is a used component, which in practice means it retains its original geometry and compatibility with factory mounting points in the BMW 3 Series E91. This type of part is particularly useful for post-accident repairs, where it is important to recreate the factory line of windows and mouldings without interfering with the body structure.

During installation, it is recommended to check the condition of the adjacent seals and thoroughly clean the contact surface with the bodywork to ensure even adhesion and aesthetic fit. A properly installed moulding helps maintain a consistent look of the side of the vehicle and reduces the risk of looseness and vibrations in the window area.

Practical application and benefits

Using the original rear left window frame moulding in a BMW E91 allows you to:

• restore the factory look of the rear window surround after body repairs,
• maintain the consistency of chrome body details,
• preserve proper seal guidance and window adhesion,
• minimize the risk of additional wind noise in the rear body area.

For users who care about aesthetics and the technical correctness of repairs, using an original element from this group is a reasonable solution that allows for maintaining the characteristic look of the 3 Series estate.

If you are planning a comprehensive repair or upgrade of the body area in your BMW and need other elements from the same group, such as window mouldings, decorative frames, or additional chrome finishes, check the available parts in the Other BMW category.

Technical knowledge and part selection

When selecting body components for premium cars, such as the BMW 3 Series, it is worth using components from dismantling or original production lines to maintain dimensional and material compliance with factory specifications. For more advanced modernization projects or comparing design solutions between different brands and sports versions, the guide material devoted to the analysis of powertrains and chassis may be helpful. You can find more on this topic in the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses design differences and the parts offer in the context of high-performance cars.