BMW G20 G21 G21 LCI Door Wiring Harness Loom Front Driver's Side 8716575

BMW G20 G21 G21 LCI Door Wiring Harness Loom Front Driver's Side is an original electrical installation component designed for the front left door in BMW 3 Series G20/G21 models, including LCI facelift versions. This used wiring harness from the Wires, harnesses and connectors category allows for the efficient restoration of full door electrical functionality while maintaining factory assembly standards. By preserving the original connection architecture, it provides a solid foundation for repairing or replacing damaged wiring.

Specifications and technical data

• SKU: 8716575
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8716575
• Substitutable numbers: 8716575, 61129436265, 9436265
• Location on the vehicle: Front
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented wiring harness is designed for installation in the front left door of BMW 3 Series G20/G21 cars, including LCI facelift versions. It is responsible for transmitting signals and power between the body installation and components located in the door, such as control modules, actuators, or switches. Its location in the front area of the vehicle makes it a key part of the installation for the proper operation of comfort and safety systems on the driver's side.

Construction and fitment for BMW

As a component from the Wires, harnesses and connectors category, the harness has been designed for the specific BMW G20/G21 body, which translates into the correct length of sections, proper wire routing, and the fitment of connectors to factory sockets. The original design eliminates the need for modifications, soldering, or creating adapters, which is particularly important in the case of modern installations with extensive communication between modules.

Benefits of using an original wiring harness

Using this wiring harness in the front left door of a BMW G20/G21 brings a number of practical benefits:

• preservation of factory wire routing and mounting points,
• compatibility with original door connectors and modules,
• reduction of the risk of communication errors in the electrical installation,
• possibility of restoring functionality after mechanical damage or wire corrosion.

For workshops and users, this means more efficient assembly, a lower risk of diagnostic problems, and compliance with BMW's factory service documentation.

Condition and service application

The harness is a used component, which makes it an attractive cost-effective solution while maintaining the manufacturer's original specifications. It works well both for typical repairs after mechanical door damage and for replacing the installation after electrical interference, when it is necessary to restore the factory wiring layout. Thanks to the preservation of the original connector layout, it is a good solution for service centers specializing in the BMW brand.

Expansion and other BMW installation elements

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

For those interested in the wider use of used components in the automotive industry, including premium vehicles, an article describing a practical approach to repairs and modifications using second-hand parts may be helpful – you can find it here: Audi on second-hand parts – tuning and repairs without loss of quality.