BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right 6938225

BMW E90 E90N E91 E91N LCI M3 Wiring loom rear door left right is an original electrical installation component designed for the rear body section, ensuring proper power supply and communication for all electrical consumers in the rear door. Thanks to its factory design, the wiring loom guarantees precise fitment to the BMW installation and stable electrical connections. This used component allows for an economical, yet technically correct repair of the door electrical system.

Specifications and technical data

• SKU: 6938226-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 61126938226
• Substitutable numbers: 61126938226, 6938226, 6938225
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the door wiring loom

The presented wiring loom belongs to the Wires, looms and connectors category and is responsible for routing signals and power between the body and the rear door. The design is intended for installation in the rear part of the vehicle, accounting for factory wire routing and mounting points in the door and pillar.

This element serves as a key link between control modules and components located in the door, such as actuators, switches, or lighting, ensuring stable operation of comfort and safety systems.

Construction and fitment for BMW

As a BMW brand product, the wiring loom has been designed to maintain factory wire routing geometry, appropriate segment lengths, and correct connector placement. This ensures that installation is orderly, without the need for modifications or interference with the original body structure.

The vehicle placement covers the rear part of the body assigned to the right side, which allows for clear identification of the mounting zone and reduces the risk of errors when selecting the part. Such a solution promotes the consistency of the electrical installation throughout the vehicle.

Benefits of using an original wiring loom

Using an original door wiring loom in a BMW E90/E91 brings a number of practical technical benefits:

• factory fitment to the vehicle's electrical architecture,
• compatibility with control modules and other components,
• orderly wire routing within the door and body,
• reduced risk of failures resulting from incorrect connections or installation modifications.

The used component allows for restoring the efficiency of the electrical system in the door while maintaining factory assembly standards, which is particularly important for vehicles equipped with extensive comfort systems.

Component condition and service application

The offered wiring loom comes from dismantling and is intended for reinstallation in a vehicle where the original installation in the rear door area has been damaged or broken. This type of solution is often chosen by professional workshops specializing in accident repairs and troubleshooting electrical faults in doors.

When comparing different methods of repairing electrical installations, it is worth considering whether it is a better choice to regenerate an existing loom or install a complete, used component. It may be helpful to read our guide: Refurbished or used original – which part to choose for repairs?

Expansion and modernization of the BMW door installation

If you are planning a comprehensive repair or modernization of the door area in your BMW and need other elements from the same group, such as additional wire sections, adapter looms, or door connectors, check the available parts in the BMW Wires, looms and connectors category.