BMW i4 G26 Gran Coupe Electric Rear Door Wiring Harness Right Left N/O/S 5A37095

BMW i4 G26 Gran Coupe Electric Rear Door Wiring Harness Right Left is an original electrical installation component designed to support the rear doors on both sides of the vehicle body in this model. Thanks to its factory-spec fitment, the harness ensures a consistent connection for all electrical consumers in the doors, minimizing the risk of faults and module communication issues. It is a practical solution for users looking to restore full functionality to the door electronics in their BMW i4 G26 Gran Coupe while maintaining parameters consistent with factory equipment.

Specifications and technical data

• SKU: 5A37095
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A37095
• Substitutable numbers: 5A37095, 61125A37095
• Location on the vehicle: Rear, Right, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and vehicle placement

The presented wiring harness is designed for installation in the rear doors on the right and left sides of the BMW i4 G26 Gran Coupe body. It includes sections routed from the vehicle body structure to the interior of the doors, where they power and connect individual electrical components. This placement requires the correct shape, length, and connector layout to ensure the harness functions properly during door operation without excessive tension or risk of abrasion.

Function in the BMW i4 G26 Gran Coupe electrical system

The rear door wiring harness is responsible for transmitting power and control signals between the vehicle's main electrical system and the components located in the doors. In practice, this means supporting functions such as:

• powering and controlling electric door mechanisms,
• transmitting signals from sensors and control buttons,
• ensuring communication between comfort modules and actuators in the doors.

By using an original harness, it is possible to maintain stable electrical parameters and proper cooperation with factory BMW controllers, which is particularly important in vehicles with advanced onboard electronics.

Characteristics and advantages of using an original harness

The rear door wiring harness for the BMW i4 G26 Gran Coupe has been developed specifically for this model and Gran Coupe body configuration. This means:

• factory-standard wire routing in door channels and grommets,
• wire cross-sections properly selected for the current loads of individual consumers,
• use of connectors compatible with original modules and equipment.

Using such a component reduces the need for installation modifications, soldering, or custom adapters, which translates into more predictable installation and easier diagnostics of potential future faults.

Component condition and service application

The offered wiring harness comes from the used parts group, making it an attractive service solution for users looking for a functional replacement for an original part while keeping repair costs reasonable. This type of component is particularly useful in situations where there is damage to the wires in the door hinge, insulation breakage, or electrical communication issues on one of the rear sides of the vehicle.

Integration with other vehicle electrical components

The rear door harness works with other parts of the BMW i4 G26 Gran Coupe electrical system, creating a cohesive comfort and safety system. When replacing this component, it is worth ensuring proper wire routing, checking the condition of rubber grommets, and verifying connectors for cleanliness and secure contact. This approach helps maintain stable operation of electrical systems and reduces the risk of error codes in the vehicle's diagnostic systems.

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other elements from the same group, such as additional harnesses, connectors, or wiring sections, check out the available parts in the Other BMW category.

For a comparison of solutions used in different brands and sports segments, it is worth reading the analysis of the construction and equipment of high-performance models – you can find practical information on this topic in the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the differences in drivetrain, braking, and chassis systems.