Roof Moulding BMW F20 F21 Left N/S Roof Gutter Rail Trim Black

Visual condition of the part

The product shows signs of use visible in the photos.

Roof Moulding BMW F20 F21 Left N/S Roof Gutter Rail Trim Black is an original body component designed for installation on the left side of the roof. It provides an aesthetic finish to the roof edge, assists in proper rainwater drainage, and restores the factory look of the vehicle following bodywork or paint repairs. Thanks to its precise fit for the F20/F21 series, installation is straightforward and ensures the consistency of the body lines.

Specifications and technical data

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

Purpose and function of the component

The described Roof Moulding BMW F20 F21 Left N/S Roof Gutter Rail Trim Black operates in the contact zone between the roof and the side of the body on the driver's side. Its functions include:

• covering the edges of the roof sheet metal and pillars,
• managing rainwater flow along the roof gutter,
• providing stable guidance for seals and adjacent components,
• maintaining a consistent stylistic line for the roof and side windows.

The component is installed on the left side of the vehicle, which is important when selecting parts relative to the right-hand moulding – both are profiled differently and are not interchangeable.

Color and visual fit

The moulding features a black finish, which blends well with both light and dark body paints. The dark color visually "closes" the line of the windows and roof, which is particularly beneficial for factory styling packages and vehicles with tinted windows. By maintaining the original geometry, the component integrates harmoniously with other roof and pillar parts without the need for additional modifications.

Installation characteristics

The roof moulding has been designed as a part dedicated to a specific generation of the BMW 1 Series, which facilitates installation in the factory location. A correctly selected component for the left side of the body allows you to:

• restore the original roof edge profile after body repairs,
• minimize the risk of leaks within the roof gutter area,
• maintain proper fitment with door and window seals.

Due to the specific profiling, it is recommended to install the part in accordance with BMW service procedures, ensuring proper alignment along the entire length of the gutter.

Condition and practical application

The offered moulding is a used original BMW part, which in practice means it retains the correct geometry and compatibility with factory mounting points. This is a good solution for:

• repairs following a collision or mechanical damage to the roof,
• visual restoration of the bodywork when the existing moulding is scratched or deformed,
• completing missing parts after previous disassembly.

Choosing an original roof moulding allows you to maintain material and dimensional consistency with other body components, which is essential for the durability and aesthetics of the entire roof area.

Related BMW body components

If you are planning a comprehensive repair or upgrade of the roof area in your BMW and need other parts from the same group, such as additional trim strips, edge covers, or supplementary roof profiles, check out the available parts in the Other BMW category.

For a better understanding of the structural differences between sports and standard versions of cars, including the impact of the body, suspension, and drivetrains on vehicle operation, it is worth reading the article Audi RS vs other models – what lies under the hood and chassis?, which helps in making informed choices regarding spare and maintenance parts.