BMW 3 Series E90 E91 Cable Wiring Loom Rear Door Left Right 61126938226 6938249

BMW E90 E91 Rear Door Wiring Harness Right Left is an original electrical system component from the Wires, Harnesses, and Connectors category, designed for installation in the rear right and left doors. This used harness ensures factory-standard signal and power routing, making it easier to restore full door electrical functionality in your BMW 3 Series E90/E91. It's a practical solution for those who want to maintain factory specification compliance without the costly replacement of entire doors or the complete wiring system.

Specifications and technical data

• SKU: 6938226
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6938249
• Substitutable numbers: 61126938226, 6938226, 6938249
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Application and Vehicle Placement

The presented wiring harness is intended for installation in the rear doors of the BMW 3 Series E90/E91, on both the right and left sides. It is responsible for connecting the electrical components within the doors to the vehicle's main wiring system, such as window controls, central locking, and door lighting (depending on the specific car's equipment).

By maintaining the original wire routing and factory connectors, the harness allows for:

• seamless connection of the doors to the body's electrical system,
• reduced risk of electrical errors resulting from improper modifications,
• easier diagnostics in case of potential faults.

Technical Characteristics and Construction

This wiring harness belongs to the Wires, Harnesses, and Connectors category, meaning it is designed as an integral part of BMW's electrical system. The connectors used are matched to the factory sockets in the doors and body, enabling a near plug-and-play installation without the need for custom wiring.

Key construction features:

• original wire routing geometry,
• dedicated connectors for the rear door wiring,
• designed for operation in the moving space between the door and the body pillar.

This type of harness is particularly useful for repairs after mechanical damage to wires in the door grommet or when replacing doors with others that lack a complete wiring system.

Brand, Origin, and Condition

The product comes from the BMW parts group, guaranteeing compliance with the brand's factory standards for body electrical systems. Original electrical system components are especially important in modern vehicles, where many functions are managed by controllers communicating via digital bus systems.

The harness is a used component, which in practice means:

• preservation of the original wire and connector layout,
• economical repair of the door wiring,
• no need to reconstruct the harness from individual wires.

For many BMW E90/E91 owners, this represents a sensible compromise between cost and maintaining correct, factory-level door electrical functionality.

Benefits of Using an Original BMW E90/E91 Door Harness

Using the BMW E90 E91 Rear Door Wiring Harness Right Left to replace a damaged system helps reduce repair time and the risk of compatibility issues. Compared to universal wires, the original harness offers:

• factory-matched length and wire layout for the rear doors,
• preservation of aesthetics and order in the installation area,
• reduced risk of chafing and damage thanks to manufacturer-designed mounting points.

For workshops specializing in the BMW brand and for discerning owners, this is a solution that facilitates maintaining the vehicle in a condition close to its original state, without unnecessary wiring modifications.

Complementary Offer and Additional Materials

If you are looking for other items from the Wires, Harnesses, and Connectors category dedicated to this brand, check out our offer for BMW wires, harnesses, and connectors, where you will find a wide selection of electrical system components for various models.

When planning more extensive modifications or interior refreshes for your car, it's worth consulting the guide Car Interior Tuning with Global Parts, which describes how to use used equipment components to improve cabin ergonomics and appearance while maintaining reasonable costs.