BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side 6933264

BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side is an original component from the Electronic control modules and controllers group, designed to operate the rear door zone in luxury BMW 7 Series sedans. It enables the proper operation of electrical functions in the rear doors, ensuring stable communication with the vehicle's electrical system and other comfort controllers.

Specifications and technical data

• SKU: 6964140
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6964140
• Substitutable numbers: 6958447, 61356964140, 6964140, 61356933268 61356921980 61356922263, 61350390484 61356958451 61356915827, 6933268 6921980 6922263 0390484 6958451 6915827, 61350407114 61356940439 61356931227, 61356929178 61356920464 61356947121, 0407114 6940439 6931227 6929178 692
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Purpose and function of the module

The presented controller is dedicated to the rear part of the body, where it is responsible for managing the operation of electrical systems in the doors. As a comfort system component, it works with the vehicle's bus, transmitting signals between buttons, motors, and the central control system. This allows for precise control of door functions from the driver's and passengers' positions.

The module has been designed specifically for the BMW E65, E66, and E67 platforms, which translates into proper connector fitment, logical software compatibility, and correct cooperation with the rest of the vehicle's electronics.

Benefits of using an original BMW controller

Using an original module from the Electronic control modules and controllers group allows you to maintain the factory architecture of the electrical system. You receive a component that:

• is structurally adapted to the rear body installation,
• works with the vehicle's factory software,
• ensures consistency of the comfort system and internal communication,
• minimizes the risk of communication errors and coding problems.

For premium class vehicles, such as the BMW 7 Series, using the correct controller is crucial for the stability of the entire electronic network and maintaining the full functionality of the equipment.

Installation characteristics and compatibility

The module is intended for installation in the rear of the vehicle, in the door area, using factory mounting points and original wiring harnesses. This makes the replacement process straightforward and does not require interference with the electrical system's construction.

The component should be selected based on the manufacturer's markings and compatibility with the specific vehicle equipment version. The presence of the OEM part number and an extensive list of interchangeable numbers in the technical specification facilitates matching the module to a specific BMW unit, which is particularly important given the wide variety of 7 Series configurations.

Product condition and practical application

The offered controller is a used part, sourced from dismantling, which allows for a significant reduction in repair costs compared to purchasing a new component. At the same time, you retain the original BMW construction, without the need to use replacements of uncertain compatibility.

This solution is particularly beneficial when troubleshooting faults related to improper operation of rear door electrics, communication errors in the vehicle network, or problems with the operation of comfort functions in the rear part of the cabin.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the comfort electronics area in your BMW and need other components from the same group, such as door controllers, comfort modules, or other management units, check the available parts in the BMW electronic control modules and controllers category.

Before choosing a used controller, it is worth familiarizing yourself with the principles of selecting automotive electronics, methods of verifying compatibility, and issues related to potential programming. Practical tips can be found in the article Second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which will help you consciously plan your repair and select the right module for your BMW.