BMW 3 Series F30 F31 F80 M3 Wiring Set Rear Door Right Left N/O/S 9366761

BMW 3 Series F30 F31 F80 M3 Wiring Set Rear Door Right Left is an original, used wiring harness designed for the rear doors of BMW 3 Series models, including the F80 M3 version. This component allows for the restoration of proper door electrical functionality, ensuring a stable connection between body modules and door equipment.

Specifications and technical data

• SKU: 9366761
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9366761
• Substitutable numbers: 61129366761, 9366761, 9286250, 9366759, EM
• Location on the vehicle: Rear, Right, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The presented door wiring harness is dedicated to the rear body section of the BMW F-series, with the possibility of installation on both the right and left sides. This allows for flexible application depending on the service needs of a specific vehicle. Its placement in the rear door area means it is responsible for the power supply and electrical communication of components located within the door panel and its immediate surroundings.

Function and role in the BMW electrical system

The door wiring harness is a key part of the body electrical system, responsible for:

• transmitting power to components located in the rear doors,
• transmitting control signals between comfort modules and actuators,
• ensuring a stable electrical connection in the area of the moving door-to-body hinge.

Thanks to its factory design tailored to the F-platform, the harness maintains the correct wire routing, appropriate segment lengths, and compatible connectors, which facilitates installation and reduces the risk of installation errors. The original BMW solution allows for maintaining compliance with the vehicle's factory electrical architecture.

Benefits of using the original rear door wiring harness

Using a dedicated rear door wiring harness in the BMW F30, F31, and F80 M3 brings a number of practical service benefits:

• Full compatibility with door construction – proper wire routing and matched mounting points.
• Appropriate connectors and wire terminations, prepared for cooperation with factory modules and equipment.
• The ability to restore correct door electrical operation after mechanical damage or wire corrosion.
• Reduction of the need for installation modifications, which translates into shorter workshop labor time.

For users and service centers specializing in the BMW brand, this is a solution that allows for maintaining consistency with factory assembly and diagnostic standards.

Component condition and service application

The offered wiring harness comes from the Doors and door panels category and is a used component, making it an attractive cost-effective alternative to new parts while maintaining the manufacturer's original specifications. It is particularly useful in situations where it is necessary to replace a damaged installation after a collision, door interference, or long-term operation in difficult conditions.

Choosing an original BMW door wiring harness allows you to avoid problems typical of universal solutions, such as mismatched connectors, incorrect wire lengths, or lack of compatibility with vehicle diagnostic systems.

Expanding BMW door zone modernization

If you are planning a comprehensive repair or modernization of the door zone in your BMW and need other elements from the same group, such as skins, reinforcements, or complete door shells, check out the available parts in the BMW Doors and door panels category.

More on reducing vehicle downtime

To better plan service work and reduce vehicle downtime during the replacement of door installation components, it is worth learning practical tips regarding parts logistics. Useful information can be found in the article No more waiting for weeks – how a wide assortment in one warehouse really reduces your car's downtime at the mechanic?, which shows how the availability of the right components affects the speed of repair.