BMW F10 F11 Wiring Cable Loom Harness Rear Door Left Right N/O/S 9256017

BMW F10 F11 Wiring Cable Loom Harness Rear Door Left Right is an original electrical installation component designed for the rear body section, ensuring a stable connection between the door and the rest of the vehicle's electrical system. Thanks to its factory design, the harness maintains proper cable routing, which translates into safe operation of the door electronics and reduces the risk of abrasion. This is a practical solution for users who want to restore full functionality to the rear doors of their BMW without modifying the installation.

Specifications and technical data

• SKU: 9256017
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9256017
• Substitutable numbers: 9256017, 9256016, 4256472, KZ
• Location on the vehicle: Rear, Right, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The presented door harness is designed for installation in the rear body section, intended for both the left and right sides. This means it can be used on either side of the vehicle within the rear door area, facilitating easier matching during repair or replacement of a damaged installation.

The component belongs to the Doors and door panels group, which is an area particularly exposed to movement, bending, and hinge operation. Proper routing of cables in this part of the body is crucial for the durability of electrical connections and the correct operation of components mounted in the door.

Technical and functional characteristics

The harness is constructed as a complete set of cables running between the body and the rear door. It is responsible for power supply and control signals for elements located in the door, such as actuators, window controls, or lighting, in accordance with the factory configuration of a given BMW model.

The main advantages of this solution include:

• factory connectors matched to the vehicle's installation,
• properly selected cable length for the rear body section,
• adapted for operation in the moving area between the door and the pillar,
• possibility to restore the original installation routing without modifications.

Thanks to this, the harness allows for plug-and-play installation, provided that the component selection was made in accordance with the manufacturer's markings and the specific car configuration.

Benefits of using an original BMW harness

Using an original door harness in a BMW translates into consistency with the factory manufacturing standard and compatibility with the existing installation. The appropriate wire cross-section, proper shielding, and connector layout minimize the risk of module communication problems and interference in the operation of the door electronics.

In practice, this means:

• stable operation of window controls and locks,
• reduced risk of errors in comfort systems,
• easier diagnostics in case of potential faults,
• preservation of the original harness routing in the door grommet.

For users considering the choice between a used original part and a replacement, an article describing practical selection criteria may be helpful – more information can be found in the material 5 reasons why a used OEM part is a better choice than a replacement.

Application in the repair and modernization process

This type of door harness will work well both for typical repairs after cable damage in the grommet, as well as for more extensive work related to replacing rear doors or equipment components. It allows for restoring a correct electrical connection without the need for soldering wires or creating custom connections, which limits the risk of future failures.

If you are planning a comprehensive repair or modernization of the door zone in your BMW and need other components from the same group, such as panels, reinforcements, or mounting elements, check the available parts in the BMW Doors and door panels category.

Summary

BMW F10 F11 Wiring Cable Loom Harness Rear Door Left Right is a practical solution for vehicle owners who want to restore the efficiency of the rear door electronics while maintaining factory standards. The original design, fitment to a specific body zone, and the ability to install without modifying the installation make it a functional choice for repairs in the door and door panel area.