BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9207857

BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness is an original electrical installation component designed for the rear body section, dedicated for use in both the left and right doors. As a product from the Cables, harnesses, and connectors category, it ensures a proper electrical connection between the door and the body, which translates into stable operation of electrical equipment. This factory-original wiring harness provides a practical service solution for repairing the electrical system in the BMW E70 series.

Specifications and technical data

• SKU: 9203304
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9203304
• Substitutable numbers: 61129203304, 9203304, 9207857
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and vehicle placement

The presented wiring harness is designed for installation in the rear part of the BMW vehicle, within the area of the left and right doors. It is responsible for transmitting signals and power between the door and the main vehicle electrical system, which is essential for the correct operation of components such as window regulators, locks, or interior lighting, depending on the vehicle's configuration.

Technical and functional characteristics

As an element from the Cables, harnesses, and connectors group, the harness has been designed in accordance with BMW manufacturer standards, maintaining proper wire routing and connector placement. The construction is designed to operate in the moving area between the door and the body, which requires resistance to bending and repeated door opening and closing cycles.

Factory connectors allow for a perfect fit with the original vehicle installation, which facilitates service assembly and limits the need for interference with the main wiring harness. Thanks to this, the component can be used as a replacement for a damaged harness during the repair of door electronics.

Service application in BMW

BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness is ideal for situations where wires in the door grommet have been damaged, conductors have been broken, or there are electrical communication issues in the rear of the vehicle. Using an original harness allows for the restoration of proper electrical system operation without the need for additional modifications to the installation.

This component can be a cost-effective solution for post-accident repairs, door replacements, or reconstructing the installation after previous unprofessional modifications. Maintaining the factory geometry of the wires and connectors promotes proper routing of the harness in the door and reduces the risk of recurring damage.

Benefits of using an original wiring harness

• Factory fit for the BMW E70 electrical system in the rear body section.
• Adapted for operation in the moving area of the left and right doors.
• Can be used as a service component for door wiring repairs.
• Reduces the need for modifying or soldering wires in the vehicle.

Supplementing the BMW electrical system

If you are planning a comprehensive repair or upgrade of the body electrical system in your BMW and need other components from the same group, such as additional door harnesses, wire sections, or compatible connectors, check the available parts in the BMW Cables, harnesses, and connectors category.

To better plan service work on your vehicle and understand the impact of component condition on safety and driving comfort, it is worth reading the suspension guide – you can find practical information in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.