BMW 1 F40 Door Loom Rear Right O/S 8714480

The BMW 1 F40 Rear Right Door Wiring Harness is an original electrical component designed for the rear right door panel of the BMW 1 Series F40 generation. Engineered as a factory harness, it ensures proper connection of all receivers and sensors within the door to the vehicle's electrical system, contributing to the stable operation of electrical equipment.

Specifications and technical data

• SKU: 8714480
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8174480
• Substitutable numbers: 8174480, 51328174480, 61128714481, 61 12 8 714 481
• Location on the vehicle: Rear, Right
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and Function of the BMW 1 F40 Door Harness

The rear right door wiring harness is responsible for transmitting signals and power between the body modules and the components located in the right rear door. This includes, but is not limited to, window control, central locking, lighting, and other electrical components specified by the manufacturer for this body area.

Its vehicle placement, specified as rear – right side, allows for unambiguous identification and matching to the specific installation position, minimizing the risk of errors in part selection and expediting service work.

Construction, Compatibility, and OEM Advantages

As a component originating from the BMW brand, this harness has been designed for full compatibility with the factory electrical architecture of the F40 model. Appropriate wire lengths, correct terminations, and dedicated connectors enable plug-and-play installation, eliminating the need for wiring modifications or adapters.

Key benefits of using an original harness include:

• Factory fitment for the right rear door, conforming to the manufacturer's design.
• Correct wire routing, reducing the risk of chafing and mechanical damage during operation.
• Proper interaction with control modules, facilitating diagnostics and eliminating communication issues within the vehicle network.
• Stable power supply to door components, ensuring predictable operation of electrical equipment.

Component Condition and Service Application

The offered BMW 1 F40 Rear Right Door Wiring Harness falls under the Miscellaneous category, indicating it is a specialized body and electrical component primarily intended for service and post-accident repair applications. It is particularly useful in situations where the original door wiring has been mechanically damaged, cut, melted, or tampered with during previous repairs.

Replacing the complete harness is often a safer solution than localized soldering and wire splicing because it:

• Restores the original wiring path in accordance with BMW technical documentation.
• Minimizes the risk of installation errors that could lead to short circuits or unstable system operation.
• Simplifies subsequent diagnostics using factory service tools.

Why Choose This Harness for Your BMW 1 Series F40?

Selecting the correct door harness for your BMW F40 directly impacts vehicle comfort and the reliability of its electrical systems. Using a dedicated component for the rear right side allows you to:

• Maintain the integrity of the electrical system according to the manufacturer's specifications.
• Ensure the proper functioning of door features, such as window control and central locking.
• Reduce installation time thanks to factory connectors and appropriately prepared wire lengths.

This solution is particularly recommended for workshops specializing in the BMW brand and for owners who wish to restore full door functionality after bodywork, paint repairs, or panel replacement.

Other Items in the Category and Technical Knowledge

If you are looking for other products in the BMW Miscellaneous category, including additional electrical system components or body parts, explore our offering at BMW Miscellaneous. This will help you easily assemble all the necessary parts for a comprehensive repair of your vehicle.

Want to better understand the structural differences between sport and standard versions to make informed component choices for your car? Check out our blog article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, where we discuss key aspects of engine, brake, and chassis construction in high-performance vehicles.