BMW F30 Roof Moulding Railing Gutter Trim Left N/S Alpinweiss White 3 - 300

BMW F30 Roof Moulding Railing Gutter Trim Left N/S Alpinweiss White 3 - 300 is an original body component from the Protective and decorative trims group, designed for installation on the left side of the roof. Finished in the factory Alpinweiss 3 - 300 color, it ensures a consistent body appearance and proper roof rail guidance in the BMW 3 Series F30.

Specifications and technical data

• SKU: 2239971-AW
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2239971
• Substitutable numbers: 51132239971, 2239971, 7258181
• Location on the vehicle: Left
• Part type: Roof
• Color: Alpinweiss 3 - 300
• Category: Body Mouldings & Trims

Purpose and function of the component

The presented roof trim serves as a cover and guide in the roof rail area, protecting the roof edge and improving the vehicle's aerodynamics. Mounted on the left side of the vehicle, it works with the factory roof rail mounting system, providing stable support for roof accessories and an aesthetic finish to the roofline.

Its original BMW origin ensures precise fitment to the roof profile, which minimizes the risk of stress, leaks, or unwanted wind noise while driving.

Color and visual fitment

The trim is finished in Alpinweiss 3 - 300, a color characteristic of many BMW 3 Series F30 models. This allows the component to blend harmoniously with the body paint without the need for additional painting or color compromises.

The uniform color and factory surface structure help maintain a consistent look across the entire roofline, which is important for both post-accident repairs and aesthetic vehicle restoration.

Benefits of using an original roof trim

Using an original roof trim for the BMW F30 offers a range of practical benefits:

• secure fit to the roof shape and factory mounting points,
• proper guidance and support for the roof rail,
• maintenance of the factory body line and color consistency,
• reduced risk of improper installation compared to aftermarket replacements.

As a result, this component is ideal both for replacing a damaged trim and for completing missing body components after bodywork and paint repairs.

Installation characteristics

The trim is designed for installation on the left side of the vehicle, in the roof area, at the factory roof rail location. The design, based on the original BMW blueprint, facilitates installation into existing mounting points without the need for body modifications.

Before installation, it is recommended to verify compatibility with the specific BMW 3 Series F30 body version and to check the condition of the roof surface and rail to ensure proper adhesion and connection tightness.

Application in tuning and restoration

Due to its factory color and fitment, the roof trim can be used not only for standard repairs but also in restoration projects and light aesthetic tuning of the BMW F30, where maintaining the original body line is key. If you are planning broader visual or technical modifications, it is worth checking the advice in the article The best used parts for tuning your car, which discusses a practical approach to selecting used components.

Expanding the scope of work on the BMW body

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