BMW F20 F21 Roof Moulding Gutter Rail Trim Left N/S Mineral Grau Metallic - B39

BMW F20 F21 Roof Moulding Gutter Rail Trim Left N/S Mineral Grau Metallic - B39 is an original body component designed for installation on the left side of the roof in 1 Series models. Its precisely matched shape and factory Mineral Grau Metallic - B39 color allow for an aesthetic completion of the roof trim without the need for additional modifications. It is a practical solution for users who want to restore a consistent roof appearance after repairs or component removal.

Specifications and technical data

• SKU: 7319535-MG1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7319535
• Substitutable numbers: 51137319535, 7319535, 7240685, 7292229
• Location on the vehicle: Left
• Color: Mineral Grau Metallic - B39
• Category: Other Exterior Parts & Accessories

Purpose and function of the component

The presented cover is dedicated to the BMW F20/F21 series and serves as a roof moulding trim cover for the left side. It provides:

• protection of the roof trim edge against dirt and moisture,
• an aesthetic closure of the roof line,
• a visually consistent transition between the roof and other body components.

Thanks to the factory design, dimensional and mounting compatibility with the original roof trim is maintained, which facilitates installation and reduces the risk of leaks.

Color and visual fit

The cover is finished in the Mineral Grau Metallic - B39 shade, characteristic of many BMW paint configurations. This color selection allows for:

• maintaining a uniform style of the roof and pillars,
• reducing the need for additional painting when matching a body with the same color code,
• aesthetic integration with factory roof rails or other components mounted in the roof area.

The placement on the left side of the vehicle is designed to work with factory mounting points, which promotes stable seating and proper adhesion to the roof surface.

Product characteristics and installation

The cover is an original BMW component, which translates into factory-fit with the bodywork and compatibility with the roof structure of the F20/F21 series. The item is used, which in practice means it comes from disassembly but retains full mounting functionality.

When properly installed, the cover:

• stabilizes the end of the roof trim,
• limits the ingress of contaminants under the trim,
• helps maintain an orderly appearance of the roof line.

Due to the OEM design, installation usually does not require additional body modifications, only proper seating in the intended mounting points.

Use in BMW service and restoration

The roof moulding trim cover is particularly useful in situations where:

• the factory cover on the left side has been damaged or lost,
• roof restoration is being carried out after body and paint repairs,
• it is necessary to restore the completeness of finishing elements in the roof area.

By maintaining the original geometry, the component allows for the quick restoration of the original body appearance, which is important for both aesthetic and functional reasons.

Part selection and additional information

When selecting this cover, it is worth paying attention to compatibility with the specific 1 Series body version and the installation side to avoid fitment issues. The product has an assigned OEM part number and interchangeable numbers, which facilitates compatibility verification in service catalogs and parts selection systems.

If you are planning a comprehensive repair or upgrade of the roof area in your BMW and need other elements from the same group, such as covers, plugs, or additional trims, check the available parts in the Other BMW category.

When choosing components from the secondary market, a guide comparing the differences between new and used parts may be helpful, discussing issues of cost, durability, and availability – you can find more on this topic in the article Car parts – new or used? We compare costs, quality, and durability.

For users interested in a broader context of component selection for sports and performance cars, including analysis of drivetrains and chassis, an interesting addition to your knowledge may also be the blog material Audi RS vs other models – what is hidden under the hood and chassis?, which shows how important the proper selection of elements is in high-performance vehicles.