BMW F30 F80 M3 Rear Light Side Panel Right O/S Plug Socket Wiring 1-2141397-1

BMW F30 F80 M3 Rear Light Side Panel Right O/S Plug Socket Wiring is an original installation solution designed for the right rear lamp in the 3 Series body. This component ensures a stable electrical connection in the lighting area, which translates into the proper operation of the brake light and other lamp functions. It is a practical choice when replacing a damaged wiring harness or performing repairs on the rear lighting system.

Specifications and technical data

• SKU: 7312846-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7312846
• Substitutable numbers: 63217312846, 7312846, 7372784, 7259894, 1-2141397-1, KZ
• Location on the vehicle: Rear, Right
• Category: Centre & Third Brake Light Assemblies

Purpose and function of the wiring

The presented wiring is designed to operate in the rear right part of the vehicle, in the area of the tail light assembly. It is responsible for transmitting signals to the brake light and other lamp functions, in accordance with the installation configuration of a given BMW unit. Thanks to the tailored geometry and proper cable routing, the harness works with the factory mounts and lamp sockets.

Choosing a dedicated rear lamp cable reduces the risk of installation errors, leaks, or poor contact, which can cause lighting failure messages or unstable brake light operation. Using a component that is structurally consistent with the factory solution also facilitates diagnostics and future service.

Construction and fitment for BMW

The wiring has been prepared with the specific electrical system of the BMW 3 Series F30 generation in mind, maintaining the correct placement of connectors and cable lengths. The harness design allows it to be routed in the original channels and holders, which helps keep the installation tidy and reduces the risk of insulation abrasion during operation.

Properly selected connectors work with the rear lamp on the right side, ensuring a secure connection to the vehicle's lighting module. As a result, the brake light system and other lights in the lamp can operate in accordance with the manufacturer's specifications, without the need for installation modifications.

Application in the Main and center brake lights system

The element belongs to the Main and center brake lights category, which emphasizes its role in the proper functioning of the rear signaling lighting. Efficient wiring is crucial for:

• stable power supply to the brake light in the right rear lamp,
• correct transmission of control signals from the vehicle's installation,
• maintaining compliance with the factory lighting logic.

Replacing a damaged harness with a dedicated rear lamp cable allows for the restoration of full functionality of the brake light system, which is important both for driving safety and for the vehicle's compliance with technical inspection requirements.

Condition and benefits of using a used part

The offered cable is a used component, which represents a reasonable compromise between repair costs and maintaining the original BMW installation specification. Using factory wiring from the secondary market allows for maintaining consistency with the existing vehicle harness, without the need to adapt universal solutions.

For workshops and individual users, this means the possibility of efficiently replacing a damaged section of the installation in the rear right part of the body, while maintaining proper cable routing and compatibility with the lamp and other lighting system components.

Expanding BMW lighting upgrades

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 cables, harnesses, or complete lamp modules, check the available parts in the Main and center brake lights BMW category.

If you are interested in a broader context of BMW 3 Series upgrades and want to better understand component selection, compatibility, and the importance of OEM numbers in service practice, the Global Parts guide on the turbocharger and intercooler for the B58 unit in the 3 Series G20 may be helpful – you can find it in the article BMW B58 Code – checklist before buying a turbocharger and intercooler for the BMW 3 Series (G20).