Door Wiring Harness BMW i3 I01 Rear Left Right Door N/O/S Wiring Loom 9349874

The BMW i3 I01 Rear Left/Right Door Harness is an original electrical installation component designed to service the rear doors of the BMW i3 I01 generation. Thanks to its factory fit and proper wire routing, it ensures a stable electrical connection between the door and the body, which translates to the correct operation of all connected components.

Specifications and technical data

• SKU: 9349874
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9349874
• Substitutable numbers: 9349874, 9349195, KZ
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Vehicle Placement

The presented door harness is designed for installation in the rear of the BMW i3 I01 vehicle, with the possibility of use on either the left or right side. It is responsible for transmitting signals and power between the body's electrical system and the components located in the door, such as control modules, actuators, or other electrical consumers. Precisely selected wire lengths and factory connectors allow for seamless integration with the original installation without the need for modifications.

Construction and Technical Function

As a component from the Wires, Harnesses, and Connectors group, this door harness is an integral part of the vehicle's electrical system. The connectors used are matched to the factory sockets in the door and pillar, which minimizes the risk of installation errors and ensures proper signal routing. The appropriately selected wire diameter and layout allow for stable operation of control and comfort systems, as well as limiting voltage drops in critical circuits.

This solution is particularly important in vehicles with extensive onboard electronics, where proper shielding, routing, and connection of wires affect the reliability of the systems. Using an original harness helps maintain the cohesion of the BMW electrical installation and compliance with the manufacturer's service documentation.

Benefits of Using an Original BMW Door Harness

Choosing a factory door harness for the BMW i3 I01 offers a number of practical advantages, important for both workshops and individual users:

• precise fit for the rear left and right sides of the body without the need for installation modifications,
• original connectors compatible with factory door modules and accessories,
• compliance with original BMW electrical schematics,
• reduced risk of faults resulting from improper soldering or custom wiring,
• simplified installation and removal during service work.

This makes the harness suitable for both replacing a damaged section of the installation and for repairs after collisions, where restoring full functionality of the rear doors is crucial.

Condition, Origin, and Service Application

The offered harness comes from a BMW vehicle and is a used part, which in service practice often represents a sensible compromise between repair cost and maintaining original quality. Using parts from the same model line helps maintain installation consistency and reduces the risk of compatibility issues that can arise with aftermarket parts of uncertain origin.

This solution is particularly attractive for workshops specializing in the BMW brand, where quick and predictable repair of electrical systems is important, as well as for users seeking a technically correct way to restore the functionality of the rear doors without excessive budget strain.

Support for Selection and Related Parts

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

To better plan your repair budget and make informed use of used parts, it is worth familiarizing yourself with practical tips on selecting used components – especially in the area of safety and braking systems. Useful information can be found in the article Brake Calipers Under the Microscope: How to Effectively Reduce Brake System Repair Costs by Choosing Proven Used Parts, which shows how to safely use original used components.