BMW X5 E53 Rear Light Trunk Lid Boot Tailgate Lamp Wiring Cable Left N/S 6916913

BMW X5 E53 Tailgate Rear Light Wiring Harness Left is an original electrical installation component designed to service the rear lighting on the driver's side. Thanks to its factory fit for the BMW X5 E53 model, the harness ensures stable electrical connections and proper operation of the tailgate light. This is a practical solution for repairs after mechanical damage, wire corrosion, or issues with intermittent lighting.

Specifications and technical data

• SKU: 7164485-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7164485
• Substitutable numbers: 63216916913, 6916913, 63217164485, 7164485, EM
• Location on the vehicle: Rear, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Location

The presented harness belongs to the Wires, Harnesses, and Connectors group and is designed for installation in the rear of the vehicle, on the left side, within the tailgate area. It is responsible for supplying power and control signals to the rear light, which directly impacts the operation of the parking lights, brake lights, and turn signals in this area.

Installation in a moving body element like the tailgate places particular stress on the wires due to bending and twisting. Using a dedicated harness restores proper continuity of electrical circuits, reduces the risk of insulation abrasion, and eliminates common faults related to intermittent lighting.

Technical and Functional Characteristics

The harness was developed by BMW as a factory installation component, ensuring compatibility with the vehicle's original electrical diagram. It includes wires routed along the tailgate hinge and appropriately selected connectors, allowing for direct connection to the rear light and the body's electrical system without modifications.

Key benefits of using this harness in a BMW X5 E53:

• restoration of the factory wire routing in the tailgate,
• maintenance of correct polarity and pin arrangement in connectors,
• reduction of short circuits and voltage drops in the light circuit,
• easier electrical system diagnostics after repair.

Practical Application in BMW X5 E53 Service

Replacing the tailgate rear light wiring harness is particularly recommended when problems with the left-side lights occur, insulation cracks are visible, or previous repairs were done by soldering "on the car." Using a complete, original harness restores system integrity and improves the reliability of the lighting system.

This component is well-suited for professional body and electrical repairs after rear-end collisions, as well as for preventative work on older vehicles. By maintaining factory wire lengths and proper routing geometry, installation is predictable and does not require modifications to the tailgate structure.

Condition and Benefits of Choosing an Original Harness

The offered harness is a used part, which for electrical installations often provides a favorable compromise between cost and quality. Original BMW components are designed for long-term operation, and their reuse in good working condition allows for maintaining the factory standard of connections without the need for universal replacements.

Choosing a dedicated harness for the left-side tailgate rear light simplifies servicing, reduces installation time, and minimizes the risk of errors when restoring circuits. This is especially important in vehicles equipped with complex light control systems that are sensitive to incorrect resistances and circuit interruptions.

If you are planning a comprehensive repair or upgrade of the rear lighting area in your BMW and need other components from the same group, such as additional harnesses, power wires, or light connectors, check the available parts in the BMW Wires, Harnesses, and Connectors category.

For drivers interested in a broader perspective on the technical solutions used in vehicles of this brand, including the interaction of the electrical system with advanced all-wheel-drive systems, an article describing various AWD systems may be helpful – you can find it here: xDrive, 4Matic, quattro or 4Motion – comparison of AWD systems from BMW, Mercedes, Audi and VW.