BMW F01 LCI Finisher Window Frame Top Door Rear Left N/S 7177953

BMW F01 LCI Finisher Window Frame Top Door Rear Left N/S is an original body component from the Protective and decorative moldings group, designed for the rear left section of the vehicle body. It provides an aesthetic finish to the upper edge of the window and ensures stable seal guidance, which translates into acoustic comfort and a consistent look for the side profile of the BMW 7 Series F01 LCI.

Specifications and technical data

• SKU: 7177953
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7177953
• Substitutable numbers: 7177953, 51357177953
• Location on the vehicle: Rear, Left
• Category: Body Mouldings & Trims

Purpose and function of the component

The described molding is dedicated for installation in the rear left section of the body, in the upper part of the door window frame. It is responsible for:

• stable guidance of the window in the track,
• proper support and pressure of the seal,
• a seamless connection between the roof line and the side body line,
• protection of the sheet metal edges against minor mechanical damage.

Thanks to its factory-fit design for the specific F01 LCI body version, the molding maintains the correct geometry and facilitates precise installation without the need for modifications.

Benefits of using an original BMW molding

Using an original window frame molding in a BMW 7 Series allows you to maintain the vehicle's factory side line and proper fitment with other door components. Key advantages include:

• Factory fit – a component designed for the specific geometry of the rear left door, which minimizes the risk of leaks and improper window closing.
• Consistent body aesthetics – maintaining the original appearance of the upper window edge, with no differences in profile or line compared to the other doors.
• Stable window guidance – proper positioning of the window in the track reduces unwanted vibrations and noise while driving.
• Compatibility with factory seals and other door components, which facilitates servicing and potential future repairs.

Installation and operational characteristics

The molding is intended for installation in the rear left part of the vehicle, in the upper section of the door window frame. The design provided by the manufacturer allows for:

• installation in place of the factory component without interfering with the door structure,
• maintaining proper seal pressure along the entire length of the upper edge,
• maintaining the correct geometry of the gap between the window and the body.

Such a solution helps maintain proper sealing and reduces wind noise at higher speeds, which is particularly important in luxury sedans like the BMW 7 Series.

Application in the body repair process

The component is suitable for both local repair of damaged doors and broader restoration of the side body section following a collision or corrosion. Replacing the molding is recommended when:

• the original window frame is deformed or cracked,
• there are issues with the window closing properly,
• leaks or excessive noise appear in the area of the rear left window.

Choosing an original component from this group allows you to maintain the performance and visual parameters in accordance with the manufacturer's specifications, which is important for both driving comfort and the vehicle's value.

Expanding the scope of repair and selecting parts by OEM numbers

When working on the side body area of a BMW, it is worth verifying the compatibility of components using catalog numbers and manufacturer markings. In workshop practice, this helps avoid fitment issues and speeds up installation. If you want to streamline the process of selecting components using manufacturer markings and factory numbers, the following guide will be useful: Buying parts online without risk – 5 proven ways to verify component compatibility using OEM numbers and paint codes.

If you are planning a comprehensive repair or upgrade of the window area in your BMW and need other components from the same group, such as additional moldings, frames, or edge covers, check the available parts in the BMW protective and decorative moldings category.