BMW 1 Series F20 Rear Left Right N/O/S Wiring Harness Door Loom N/O/S 9335304

BMW 1 Series F20 Rear Left Right N/O/S Wiring Harness Door Loom is an original electrical wiring component for the rear vehicle door, designed for installation in BMW vehicles. The harness ensures a stable electrical connection between the door and the body, which is crucial for the proper operation of equipment located in the rear doors. Thanks to its factory design, it is precisely matched to the door geometry and vehicle mounting points.

Specifications and technical data

• SKU: 9335304
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9335304
• Substitutable numbers: 61129335304, 9335304, 61129286187, 9286187, AS
• Location on the vehicle: Rear, Right, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The harness is designed for use in the rear of the vehicle, with the possibility of installation on both the right and left sides. This means it can support the electrical system in either of the rear doors, depending on the configuration of the specific BMW F20 unit. Such a solution facilitates component selection during service and reduces the risk of incorrect fitment.

Thanks to the factory routing of the harness and properly selected connectors, the cable works in harmony with the door and body structure, minimizing stress during door opening and closing. This translates into stable operation of electrical systems over a long period of use.

Technical and functional characteristics

The component belongs to the Doors and door panels group, meaning it is an integral part of the vehicle's door system. The harness is responsible for transmitting signals and power between the body and the rear doors, enabling the correct operation of electrical components installed there. The harness construction is adapted to the specific door layout of the BMW F20, which facilitates proper routing of the cable through the grommet and the space between the door and the pillar.

Its original BMW origin ensures compatibility with factory connectors and mounting points. As a result, installation is predictable, and the risk of fitment issues or grommet leaks is minimized. This is especially important for vehicles where the consistency of the electrical system and the maintenance of onboard system operating parameters are essential.

Condition, origin, and benefits of use

The harness comes from the BMW range and is a used component, which allows for economical repair while maintaining the factory design of the part. Choosing an original rear door harness instead of a replacement helps maintain the consistency of the electrical system and reduces the risk of problems resulting from differences in harness length, connector type, or mounting method.

The use of this component is particularly beneficial in situations where wires in the door grommet have been damaged, conductors have been broken, or there are electrical communication problems within the rear doors. A properly selected harness allows for the restoration of correct system operation without the need to interfere with the vehicle's original installation.

Service application and part selection

When selecting a rear door harness for the BMW F20, it is worth paying attention to compatibility with the specific body version and vehicle equipment configuration. The original component from this group facilitates service work because it is prepared for installation in factory mounting points and works with original installation connectors.

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

Summary

BMW 1 Series F20 Rear Left Right N/O/S Wiring Harness Door Loom is a factory-designed electrical wiring component for the rear doors, intended for installation on the right or left side of the vehicle. It enables the restoration of proper electrical system operation in the doors while maintaining the original cable routing geometry and compatibility with the BMW installation. This is a practical service solution for users who want to maintain the technical consistency of their car and avoid problems typical of random replacements.