BMW G20 Interior Roof Light Lamp Switch Unit Rear Gray LED 9490431

The BMW G20 Rear Interior Dome Light is an original Interior Lighting component, specifically designed for the rear section of BMW 3 Series G20 models. Finished in black, it seamlessly integrates with the factory headliner, ensuring a cohesive, aesthetic appearance and functional illumination for the rear passenger area.

Specifications and technical data

• SKU: 9490431-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9490431
• Substitutable numbers: 63319490431, 9490431, 63319459393, 9459393
• Location on the vehicle: Rear
• Color: Black
• Category: Interior Light Assemblies

Purpose and Function in the Interior Lighting System

The presented rear dome light is a part of the Interior Lighting system responsible for comfortably illuminating the rear interior of the vehicle. Mounted in the headliner above the rear seats, it improves visibility for passengers, facilitates the use of the interior after dark, and enhances the overall ergonomics of the car.

Its placement in the rear of the cabin allows for even light distribution without dazzling the driver. This is particularly important in modern BMW models, where great emphasis is placed on the comfort of all passengers and the stylistic consistency of the entire interior.

Design, Color Scheme, and Integration with BMW Interior

The black housing of the light has been chosen to create a visually cohesive element with the headliner and other interior trim components. This color selection minimizes contrasts and maintains the characteristic, understated look of the BMW interior, without distracting from the key elements of the dashboard.

Thanks to its original OEM design, the dome light maintains the correct mounting dimensions and clip geometry, ensuring a secure fit in the headliner and preventing unwanted play or vibrations. This solution is beneficial both when replacing a damaged part and when restoring the original interior appearance after previous modifications.

Technical Specifications and Compatibility

The component features a dedicated OEM part number and assigned replacement numbers, which facilitate precise identification and selection for a specific BMW G20 configuration. This allows for verification of compatibility with the vehicle's electrical system and the factory interior lighting control system.

As an original BMW part, the light is designed to work with factory wiring harnesses and connectors, minimizing the need for installation modifications. Its rear placement on the vehicle is structurally intended, so installation occurs in the location designated by the manufacturer in the headliner, maintaining the correct illumination position.

Condition, Service Application, and Benefits of Installation

The product is offered as a used part, which is an advantageous solution for post-accident repairs, replacing damaged lighting, or restoring the completeness of interior equipment. Choosing an original dome light allows for maintaining stylistic consistency, proper fit, and compatibility with factory comfort systems.

The main benefits of using this light in a BMW G20 include:

• maintaining the original appearance and character of the interior,
• proper illumination of the rear passenger cabin,
• secure mounting in the headliner thanks to its factory design,
• easier identification and selection due to the OEM number and replacement numbers.

Expanding the Lighting System and Expert Knowledge

When working on the interior lighting system and external light sources, it is advisable to ensure consistency in technology and illumination parameters. If you want to better understand how to select lighting components for BMW – including LED headlights and Xenon systems – an expert guide will be helpful: See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights.

If you are planning a comprehensive repair or upgrade of the interior lighting area in your BMW and need other parts from the same group, such as front dome lights, side light sources, or ambient lighting, check the available parts in the BMW Interior Lighting category.