Door Window Seal BMW F20 LCI Trim Strip Rear Left N/S Channel Cover High Gloss

Visual condition of the part 

The product shows signs of use visible in the photos. 

Door Window Seal BMW F20 LCI Trim Strip Rear Left N/S Channel Cover High Gloss is a precisely profiled body component responsible for the sealing and aesthetic finish of the rear left door window in facelifted 1 Series models. Thanks to its factory-fit design for a specific mounting location, it ensures stable window guidance and prevents the ingress of water and debris. This is a practical solution for users looking to restore proper window mechanism operation and maintain a consistent look for the vehicle's side profile.

Specifications and technical data

• SKU: 7463177
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7463177
• Substitutable numbers: 51337463177, 7463177
• Location on the vehicle: Rear, Left
• Category: Door Seals

Purpose and function in the BMW F20 LCI body

The described sealing and trim strip has been designed specifically for installation in the rear left door area of the facelifted BMW F20. Its functions include:

• sealing the contact point between the window and the door frame in the rear part of the vehicle,
• stabilizing the window movement during raising and lowering,
• protecting the door interior from water, dust, and fine debris,
• providing an aesthetic finish to the outer window edge.

With this component, you reduce the risk of window fogging, unwanted wind noise, and accelerated corrosion inside the door.

Construction and fitment to factory mounts

The strip combines the function of a seal and an exterior trim, allowing for the maintenance of the consistent side line characteristic of BMW. The profile is matched to the geometry of the rear door (depending on the steering wheel side), which facilitates installation in the original mounting points. The appropriately selected stiffness and flexibility of the material promote proper pressure against the glass, thereby maintaining a seal during daily use.

As a component from the Door Seals group, it directly influences cabin acoustic comfort by reducing wind noise and minimizing window vibrations when driving at higher speeds.

Benefits of using an original sealing strip

Using the correct door window seal in the rear left part of the body translates into a number of practical benefits:

• Factory fitment – the component is prepared to work with the original BMW F20 LCI door frame, which limits the need for additional modifications.
• Stable window operation – proper pressure and guidance of the window reduce the load on the lifting mechanism, which can extend its service life.
• Better protection of the door interior – a correct seal limits moisture ingress, which promotes longer durability of the sheet metal and electrical components inside the door.
• Consistent side profile appearance – the strip also serves a decorative function, restoring the aesthetics of the factory finish.

Condition, verification, and service application

The component is a salvaged part intended for reinstallation in a vehicle where it is necessary to replace a worn, damaged, or deformed rear left door window seal. This solution is particularly useful in cases of:

• leaks and water ingress in the area of the rear door window,
• excessive wind noise at higher speeds,
• mechanical damage to the strip following a collision or improper removal of the door trim.

Selecting the correct component is facilitated by the manufacturer's markings and assignment to a specific mounting location in the vehicle, which helps avoid compatibility issues.

Complementary BMW Door Seals and service knowledge

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other elements from the same group, such as door frame seals, window trim strips, or bottom sill seals, check out the available parts in the BMW Door Seals category.

For service work on other brands, especially regarding powertrains and engine accessories, specialized guides may be helpful – for example, an article on the operation of Mercedes C and E class units, available at the link Reliability under the star – how to maintain engine accessories in popular Mercedes-Benz C and E class models?, which shows how important it is to select the right parts and perform proper service maintenance.

Summary

Door Window Seal BMW F20 LCI Trim Strip Rear Left N/S Channel Cover High Gloss is a functional body component that combines the role of a seal and an aesthetic finish for the rear left door window. Proper fitment to the specific mounting location helps maintain a seal, acoustic comfort, and a consistent appearance of the vehicle's side. Replacing a worn strip with a verified component allows you to restore proper operating conditions and reduce the risk of further damage within the door area.