BMW X4 F26 Rear Lamp Tail Light Wiring Harness Loom Plug Socket Left N/S 7331279

Visual condition of the part

The product shows signs of use visible in the photos. BMW X4 F26 Rear Lamp Tail Light Wiring Harness Loom Plug Socket Left N/S is an original electrical system component designed to support the rear lighting on the left side of the BMW X4 F26 model. It ensures a stable connection between the lamp and the vehicle's wiring, which translates into reliable operation of the tail lights and brake lights as well as proper communication with the car's electronics. It is a practical service solution for post-collision repairs, lamp replacement, or damage to the factory wiring harness.

Specifications and technical data

• SKU: 7331279-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7331279
• Substitutable numbers: 7331279, 63217331279
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function in the lighting system

The presented wiring harness with a plug socket is dedicated to the rear left side of the BMW X4 F26 body and belongs to the Tail lights and brake lights group. It is responsible for transmitting signals from the vehicle's electrical system to the lamp, enabling the correct operation of position lights, brake lights, turn signals, or additional lighting, depending on the configuration of the lamp used. Thanks to the factory OEM design, the correct wire cross-sections, appropriate insulation, and pin layout in the socket are maintained, which minimizes the risk of installation errors and communication problems with control modules.

Application in the BMW X4 F26 – fitment and installation

The component has been designed specifically for the BMW X4 F26 model, taking into account the geometry of the rear body section and the routing of the electrical system. The location on the vehicle is rear – left side, which facilitates the identification of the correct component during repair. In practice, installation involves connecting the harness to the factory vehicle wiring connector and to the tail lamp. The original plug socket allows for a secure, mechanically stable connection without the need for modifications, soldering, or the use of adapters, provided the part is selected according to the manufacturer's specifications.

Benefits of using an original BMW wiring harness

Using an original wiring harness in the rear lighting area offers a number of practical advantages:

• maintaining factory compatibility with the vehicle's electronics and control modules,
• proper fitment of the plug socket to the tail lamp,
• reducing the risk of installation errors and light failure messages,
• aesthetic wire routing in accordance with the factory layout. For the user, this means stable lighting performance and no need to interfere with the vehicle's original wiring. For post-accident repairs or tail lamp replacement, such a harness is a safe and technically correct service solution.

Product characteristics and condition

The offered item comes from the group of original BMW components and is intended for reinstallation in the vehicle. As a used part, it retains its factory design, which is particularly important for electrical components where compatibility with the installation and proper shielding and insulation of the wires are essential. The harness with the plug socket will work well both when replacing a damaged connector and during a comprehensive repair of the driver's side tail lamp, when it is necessary to restore the original electrical connection.

Expanding BMW rear 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 combination lamps, control modules, or additional wiring, check the available parts in the BMW Tail lights and brake lights category. When selecting electrical system components, it is also worth considering the use of original parts from dismantling. If you want to find out why such a solution often provides better fitment and durability than cheap replacements, read the article Why original parts from dismantling fit better than cheap equivalents.