BMW E90 Saloon Rear Back Lamp Light Right Tail O/S Plug Socket Wiring 8369702

BMW E90 Saloon Rear Back Lamp Light Right Tail O/S Plug Socket Wiring is an original lighting system component designed for the right rear lamp in BMW 3 Series E90 models. It enables a secure electrical connection between the lamp assembly and the wiring harness, ensuring stable operation of the main and center brake lights. This is a practical service solution for replacing a damaged socket or repairing the wiring in the rear section of the vehicle.

Specifications and technical data

• SKU: 6937458-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6937458
• Substitutable numbers: 63216937458, 6937458, 8369702
• Location on the vehicle: Rear, Right
• Category: Centre & Third Brake Light Assemblies

Purpose and function in the lighting system

The presented rear lamp socket plug is dedicated to installation in the right rear lamp of the BMW E90. It is responsible for a secure electrical connection between the lamp and the vehicle's wiring, which has a direct impact on the proper operation of the brake lights, position lights, and other functions of the lamp in this section of the bodywork.

Thanks to its factory-fit design for the specific body model, the component maintains the correct mounting geometry and pin layout, which facilitates installation and reduces the risk of compatibility issues. This is particularly important for post-collision repairs or when replacing the lamp with another compatible version.

Construction and fitment for the BMW E90

The plug has been designed as part of the right-side rear lamp installation, taking into account the specific layout of wires and pins used in the BMW 3 Series E90. The socket design allows for:

• stable seating in the passenger-side rear lamp housing,
• reliable routing of electrical signals to individual lighting functions,
• maintaining tightness and protection of the contacts against external factors within the lamp area.

Its original BMW origin helps maintain compatibility with the factory electrical harness and the operating parameters of the lighting system, which is important both from the point of view of safety and vehicle diagnostics.

Performance characteristics of the used component

The offered plug comes from dismantling, which allows for an economical repair of the rear lamp while maintaining the manufacturer's original specifications. The used component is a good choice in situations where only the socket or a part of it has been damaged, while the rest of the lighting system remains functional.

Choosing this solution allows for reduced service costs compared to purchasing a complete lamp, while maintaining the integrity of the electrical system. It is a practical option for users who want to restore full functionality of the rear lighting without interfering with the entire wiring harness.

Service application and installation

The right-side rear lamp socket plug will prove particularly useful for:

• repairs following mechanical damage to the lamp or socket,
• problems with intermittent operation of the right-side brake or position lights,
• the need to replace the socket itself without changing the complete lamp.

Thanks to its fitment for the specific vehicle location, the installation proceeds in an orderly manner, maintaining factory wire routing. This is a solution that allows for restoring the proper operation of the rear lighting system in a way that is technically consistent with the manufacturer's requirements.

Complementary elements and knowledge about used parts

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your BMW and need other elements from the same group, such as rear lamps, control modules, or additional wiring, check the available parts in the BMW main and center brake lights category.

If you want to better understand how to consciously choose components from the secondary market and effectively use the offer of dismantled parts, it is worth reading the guide Used parts – Your guide to the best offers in the automotive store, which discusses the practical aspects of purchasing and operating used components.