BMW G20 G21 G80 G81 M3 Rear Door Card Trim Ambient Light Strip Left N/S 6999931

BMW G20 G21 G80 G81 M3 Rear Door Card Trim Ambient Light Strip Left N/S is an original Interior lighting component designed for installation in the rear left door panel of selected BMW 3 Series and M3 models. Thanks to its factory design, it provides consistent, subtle ambient lighting and maintains full integration with the factory interior trim.

Specifications and technical data

• SKU: 6999931
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6999931
• Substitutable numbers: 6999931, 63316999931
• Location on the vehicle: Rear, Left
• Part type: Interior Lighting
• Category: Interior Light Assemblies

Purpose and function in Interior lighting

The presented ambient light strip is a part of the decorative interior lighting system, responsible for even light distribution within the rear left door panel. It is mounted in a dedicated location, which allows for maintaining factory styling lines and consistency with other interior lighting elements. Thanks to its precise fit to the door structure, the strip supports passenger visual comfort, improving the visibility of the rear cabin area after dark and emphasizing the characteristic, modern style of BMW.

Compatibility with BMW G20, G21, G80, G81 M3

The strip has been designed for the 3 Series and M3 platform, taking into account the geometry of the rear left door zone. This means:

• maintaining the correct shape and length relative to the door panel,
• factory mounting points,
• adaptation for compatibility with the Interior lighting system used in these generations. Such a fit facilitates installation and reduces the risk of improper alignment with other interior trim elements.

Technical characteristics and installation

The component is intended for installation in the rear left part of the vehicle, within the door panel. The design of the strip allows for its integration with the factory lighting system, which enables maintaining a uniform color and light intensity throughout the cabin. During installation, it is worth paying attention to:

• proper seating in the panel guides,
• careful disassembly and reassembly of the door trim,
• checking the lighting operation after completing the work. Such an approach allows for maintaining the aesthetics of the interior and stable mounting of the strip during operation.

Condition of the component and benefits of using OEM parts

The strip comes from the original BMW system, which translates into factory fitment to the door structure and compatibility with other Interior lighting components. Using an original element allows for maintaining stylistic consistency, avoiding installation problems, and ensuring predictable performance in the long term. Choosing such an ambient light strip is a particularly beneficial solution when replacing a damaged component or restoring the full functionality of the interior lighting system after door panel repairs. If you are planning a comprehensive repair or upgrade of the interior lighting zone in your BMW and need other elements from the same group, such as illuminated decorative trims, lighting control modules, or additional door illumination elements, check the available parts in the BMW Interior lighting category.

Technical support and knowledge about BMW lighting

When planning work related to interior lighting, it is worth considering the general principles of selecting and operating lighting elements in BMW vehicles. Extended information on the selection and replacement of lighting components, including headlights and accessories, can be found in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights, which covers issues related to original OEM parts and their proper integration with the vehicle.