BMW 3 Series 2 E90 E91 LCI M3 Wiring Loom Rear Door Left Right 6938226

BMW E90 E91 LCI M3 Rear Door Wiring Harness is an original electrical system component from the Wires, Harnesses, and Connectors category, designed for installation in the rear doors of facelifted BMW 3 Series models. This product allows for the restoration of correct door electrical functionality, ensuring a stable connection between body modules and door equipment such as window controls or the central locking system.

Specifications and technical data

• SKU: 6938226-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6938226
• Substitutable numbers: 61126938226, 6938226, EM
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Application and Vehicle Placement

The harness is designed for installation in the rear doors of the facelifted BMW 3 Series generation E90/E91 in the M3 version. The design is intended for use on both the right and left sides of the rear body, which facilitates the selection of the correct component for electrical system repairs.

Thanks to dedicated wire routing and factory connectors, the harness ensures proper signal transmission between the doors and the rest of the vehicle's electrical system, minimizing the risk of interference and module communication issues.

Technical Characteristics and Compatibility

As a component from the Wires, Harnesses, and Connectors group, the product has been designed for a specific body type and BMW equipment configuration. The connectors used are matched to the factory sockets in the doors and the B-pillar, allowing for installation without the need for electrical system modifications or wire soldering.

The harness is part of the electrical system responsible for, among other things, powering and controlling elements located in the rear doors. The appropriate wire length, mounting point placement, and correct circuit division allow for maintaining the factory wiring route and reduce the risk of chafing or mechanical damage during operation.

Product Condition and Benefits of Use

This item is from a dismantling, meaning it is a used but still functional part, allowing for an economical repair of the vehicle's electrical system. Using an original rear door harness for BMW E90/E91 LCI M3 enables:

• maintaining compatibility with the vehicle's factory electrical system,
• reducing the risk of communication errors between modules,
• avoiding problems typical of universal or custom-made wires,
• restoring the correct operation of electrical functions in the rear doors.

Why Choose This BMW Rear Door Harness

Choosing an original rear door harness for the BMW 3 Series E90/E91 LCI M3 is a solution that helps maintain the integrity of the entire vehicle's electrical system. Factory connectors and precisely matched wire geometry simplify installation and reduce service time. This is particularly important for vehicles equipped with extensive body electronics, where the quality of connections directly impacts operational reliability.

If you are looking for other components from the wires and connectors category for this brand, check out the available BMW Wires, Harnesses, and Connectors to select compatible components for your car.

Additional Information and Knowledge Development

When working with electrical systems, it is beneficial to understand the specifics of solutions used by different manufacturers. For a comparison of designs and approaches to electronics in the premium segment, you can read an article describing the evolution of Mercedes flagship sedans – The Evolution of the Mercedes S-Class: From W140 to W222 – Innovations, Model Differences, and Mercedes Auto Parts Over the Years. This will help you better understand how manufacturers design electrical systems and its significance in servicing modern vehicles.