BMW X3 F25 X4 F26 Rear Door Left Right N/O/S Wiring Loom Cables Harness 9243667

BMW X3 F25 X4 F26 Left Right Rear Door Wiring Harness is an original electrical installation component designed for the rear doors on both sides of BMW vehicles. It ensures a proper electrical connection between the body and the doors, guaranteeing stable operation of factory-installed receivers. This solution is for users who expect consistency with the factory installation and a precise fit for the specific generation of BMW X3 F25 and X4 F26.

Specifications and technical data

• SKU: 9243667
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9243667
• Substitutable numbers: 61129243667, 9243667
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Vehicle Placement

The presented wiring harness is a component from the Wires, Harnesses, and Connectors category, designed for installation in the left and right rear doors. Its placement on the vehicle covers the rear part of the body, allowing for the operation of the electrical system for the rear passenger doors.

This solution is particularly important when the factory harness has suffered mechanical or electrical damage, for example, due to abrasion in the door grommet. Using a dedicated component allows for maintaining the correct wiring geometry and proper connector placement.

Technical Characteristics and Compatibility

The harness has been developed as an OEM component for BMW X3 F25 and BMW X4 F26 models, meaning its length, wire layout, and connector types are matched to factory mounting points. This enables:

• restoring the original wiring path in the rear doors,
• maintaining compatibility with factory modules and accessories,
• minimizing the need for electrical system modifications.

As a component from the Wires, Harnesses, and Connectors group, the product is designed to operate in the automotive door environment, which involves frequent opening and closing movements. Therefore, the harness construction incorporates appropriate flexibility and wire routing.

Product Condition and Service Application

The offered wiring harness is a used component, allowing for economical installation repair while maintaining the original manufacturer's specifications. In practice, it is suitable for situations where:

• power or signal wires in the door grommet have been damaged,
• intermittent power failures to receivers in the rear doors occur,
• a complete section of the installation needs replacement instead of localized repairs.

Using an original harness dedicated to a specific BMW model reduces the risk of installation errors and facilitates future diagnostics, as the wiring layout remains consistent with service documentation.

Benefits of Using an Original BMW Harness

Choosing this solution over universal wires offers several practical benefits:

• Factory Fit for BMW X3 F25 and X4 F26 – connectors and wire lengths match original mounting points.
• Consistency with Vehicle Installation – maintaining compliance with the factory electrical diagram simplifies diagnostics and potential future repairs.
• Reduced Interference with Main Harness – replacing the complete door section minimizes the need for soldering and additional connections.

For workshops and individual users, this translates to faster installation and a lower risk of operational issues related to improper wire routing.

Related Components and Further Installation Expansion

If you are planning comprehensive electrical system service for your BMW and need other components from the wires and connectors group dedicated to this brand, check the available parts in the BMW Wires, Harnesses, and Connectors category.

For users interested in a broader context of selecting original electrical components and methods for verifying compatibility based on manufacturer markings, an article describing a practical approach to identifying used OEM parts may be helpful – you can find it here: Audi Five-Cylinder Engine – Legend and Selection of Used OEM Parts.