Window Frame BMW G30 G31 Trim Cover Door Front Left N/S High Gloss 7390113

Window Frame BMW G30 G31 Trim Cover Door Front Left N/S High Gloss is an original body trim component from the Doors and door panels category, designed for installation on the driver's side. It ensures a visually consistent finish for the window line, enhances the aesthetics of the side body section, and allows for restoring the vehicle's factory appearance after bodywork and paint repairs.

Specifications and technical data

• SKU: 7390113
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7390113
• Substitutable numbers: 7390113, 51337390113, KD
• Location on the vehicle: Front, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The component is designed for installation on the front left door, in the window frame area. Precise fitment to the body geometry of the BMW G30/G31 series allows for proper seating against the seals, glass, and other decorative trims, which reduces the risk of unwanted gaps and stress.

Thanks to its dedicated placement on the vehicle, the installation process is straightforward – the trim works with factory mounting points, which facilitates workshop tasks and shortens the time required to replace a damaged part.

High Gloss finish characteristics

The High Gloss finish emphasizes the side line of the body and blends well with other premium BMW decorative elements. The smooth, shiny surface improves the visual continuity of the window surround, which is particularly important after replacing a single trim piece – the new element does not visually stand out from the rest of the styling package.

This finish is often used in configurations with a more dynamic, elegant character, which is why choosing the correct window frame trim is important for both aesthetic and practical reasons (easier to keep clean, resistant to typical road dirt).

Advantages of using an original BMW part

As a BMW OE part, the window frame trim has been developed with factory assembly tolerances and the manufacturer's quality standards in mind. This translates into:

• consistent fitment to the door shape and roof line,
• proper interaction with seals and the side window,
• stable mounting without the need for modifications,
• preservation of the vehicle's original visual character.

A used OEM component is a cost-effective solution that also allows for maintaining the factory body specification, which is significant for post-accident repairs, restorations, and preparing the car for sale.

Practical application in body repairs

The front left door window frame trim is suitable for situations where mechanical damage, deformation, or scratching of the original element has occurred, as well as when completing a door after skin replacement. Thanks to the preservation of the factory profile, it is possible to:

• restore the continuity of the window line after body repair,
• replace a missing element in the front left door,
• reduce wind noise resulting from improper window frame fitment.

Selecting the correct trim for the specific G30/G31 body version is crucial for maintaining tightness and the proper operation of the window lifting mechanism.

Expanding the scope of door repairs

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 skins, reinforcements, or additional trims, check the available parts in the BMW Doors and door panels category.

Additional technical information and part selection

To correctly select the window frame trim for a specific BMW G30/G31 configuration, it is worth paying attention to the manufacturer's markings, available interchangeable numbers, and information about placement on the vehicle. These data are particularly important when comparing components from different model years or equipment versions.

If you are interested in a broader context of selecting original used components in other vehicle systems, you will find useful information in the article: Humming differential? Find out why a used OEM drive axle is a better investment than an uncertain replacement.