BMW 2 3 Series F22 F80 M3 F82 M4 Wiring Loom Harness Rear Trunk Lid 9344677

BMW 2 and 3 Series (F22, F80 M3, F82 M4) Tailgate Wiring Harness is an original electrical system component designed for installation in the rear of the vehicle body. This product, from the Cables, Harnesses, and Connectors category, ensures proper connection of all receivers located in the trunk lid, supporting stable operation of lighting and other systems. It's a solution for users who want to restore the correct functionality of the tailgate on their BMW.

Specifications and technical data

• SKU: 9344677
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9344677
• Substitutable numbers: 61129344677, 9344677, 61129302301, 9302301, 9344676, EM
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Vehicle Application and Location

The presented wiring harness is designed for installation in the rear of the vehicle, specifically within the tailgate area. It is responsible for routing signals and power to components located in the lid, such as lighting, the lock, or other factory-fitted components for a given body variant.

Thanks to its dedicated design for specific BMW 2 and 3 Series models from the F family, the harness maintains the correct wire routing geometry, which reduces the risk of chafing, kinks, and improper installation during tailgate operation.

Technical Characteristics of the Harness

The tailgate wiring harness is an integrated set of wires and connectors, prepared to work with the factory BMW electrical system. The construction includes:

• dedicated connectors that fit original sockets in the body and tailgate,
• appropriately selected wire gauges for individual circuits,
• insulation adapted for operation in varying temperature conditions,
• wire routing designed for the movement of the tailgate.

This solution allows for maintaining consistency with the factory electrical diagram, which facilitates diagnostics and any subsequent service work.

Benefits of Using an Original BMW Harness

Using an original electrical harness in the tailgate offers a number of practical benefits for the vehicle owner:

• Compatibility with Factory Installation – connectors and wire lengths are matched to the specific body configuration, minimizing the need for modifications.
• Stable Operation of Electrical Systems – a properly routed harness minimizes the risk of power interruptions and signal interference.
• Safe Wire Routing – correct placement in the tailgate hinges reduces mechanical stress during daily use.
• Easier Diagnostics – maintaining the original installation architecture simplifies work with factory service diagrams.

Product Condition and Service Application

The offered wiring harness belongs to the BMW Cables, Harnesses, and Connectors group and is primarily intended for service applications – replacing damaged, chafed, or corroded wiring in the tailgate area. It is a practical solution for common faults such as intermittent lighting, problems with the trunk lock operation, or periodic errors related to tailgate movement.

It is always advisable to confirm the correct harness for a specific body version and equipment based on vehicle data and BMW technical documentation, which helps avoid installation discrepancies and ensures a smooth repair process.

Related Products and Technical Materials

If you are looking for other BMW Cables, Harnesses, and Connectors for your model, check out our dedicated category: BMW Cables, Harnesses, and Connectors. There you will find a wide selection of electrical system components for various series and generations of this brand.

For users interested in lighting and electrical systems, a service guide may also be useful: A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights in BMW, which discusses practical aspects of working with original OEM components.