BMW G20 G21 G80 G80 LCI Door Trim Panel Wiring Loom Harness Rear 8716572

BMW G20 G21 G80 G80 LCI Door Trim Panel Wiring Loom Harness is an original electrical installation component designed for installation in the rear doors of selected BMW 3 Series and M3 models. Thanks to its factory design, it ensures proper routing of electrical signals between the door and the body, which translates into stable operation of electrical equipment. This is a solution for users who expect compatibility with the factory installation and predictable assembly.

Specifications and technical data

• SKU: 8716572
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8716572
• Substitutable numbers: 61128716572, 8716572
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the rear door wiring harness

The presented wiring harness belongs to the Wires, harnesses and connectors group and is designed specifically for use in the vehicle's rear doors. It is responsible for the electrical connection between the modules located in the door and the rest of the car's installation, enabling power supply and transmission of control signals.

The placement in the rear door area means that the component is adapted to work in a zone exposed to frequent movement (opening and closing the door), which is why the harness construction is prepared for repetitive bending and changes in position. Thanks to this, it can stably support the electrical functions provided by the vehicle manufacturer.

Construction and fitment for BMW models

The wiring harness was developed by BMW as a factory installation element, which ensures compatibility with original connectors, grommets, and mounting points in the rear doors. The layout of the wires and terminals is matched to the door architecture in G20, G21, and G80 models, including the LCI facelift version, which facilitates installation without the need for modifications.

Proper routing of wires within the door and the transition to the body reduces the risk of abrasion and mechanical damage, and properly selected connectors allow for a secure connection with the rest of the vehicle's electrical installation. As a result, the harness can be used both when replacing a damaged element and when restoring system functionality after bodywork and paint repairs.

Application in service and electrical repairs

Replacing the rear door wiring harness is recommended in situations where there are problems with power supply or communication of electrical components in the door, such as non-functioning electrically controlled features or intermittent signal loss. Using an original component from this group allows for reduced diagnostic and assembly time, as the layout of wires and connectors is consistent with the factory service documentation.

The element from the Wires, harnesses and connectors category can also be used in professional vehicle restoration processes, when it is necessary to recreate the electrical installation in the rear door area after mechanical damage or bodywork interference. Using a dedicated harness helps maintain installation consistency and facilitates subsequent service maintenance.

Product characteristics and condition

The offered wiring harness is an original BMW component, which helps maintain the consistency of the electrical installation with other vehicle elements. The product is classified as used, therefore it is a solution for users looking for a factory element at a more favorable price compared to a new part, while maintaining structural compatibility.

Choosing such a component is particularly important in vehicles where maintaining the original electrical architecture is a priority, without using substitutes that require adaptation. This helps reduce the risk of compatibility issues and simplifies any potential future service work.

Technical support and drivetrain development

In BMW vehicles equipped with advanced all-wheel-drive systems, a properly functioning electrical installation, including door harnesses, is important for the overall reliability of the vehicle. If you want to better understand the specifics of solutions used in modern all-wheel-drive cars and learn when it is worth reaching for used components, read the article xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi and VW.

If you are planning a comprehensive repair or upgrade of the electrical installation zone in your BMW and need other elements from the same group, such as door harnesses, body wires, or installation connectors, check the available parts in the BMW Wires, harnesses and connectors category.