Control Unit BMW E65 E66 E67 Module Door Front Driver Side 6940440

Control Unit BMW E65 E66 E67 Module Door Front Driver Side is an original electrical system component responsible for managing the driver's door functions in BMW 7 Series luxury sedans. This specialized control unit works with the vehicle's body wiring, ensuring stable communication with other comfort modules. Thanks to its factory design, it guarantees a proper fit with the vehicle's electrical architecture and predictable behavior of the door systems.

Specifications and technical data

• SKU: 6940440
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6940440
• Substitutable numbers: 6964141, 6933265, 61356964141, 61356933269, 6933269, 61356931228, 6931228, 61356922264, 6922264, 61350395477, 0395477, 61356920465, 6920465, 61356958452, 6958452, 61356945377, 6945377, 61356915828, 6915828, 61350407115, 0407115, 61356940440, 6940440, 61356947122, 6947122
• Location on the vehicle: Front
• Category: Door Panels

Purpose and function of the driver's door module

The presented control unit is designed for installation in the front driver's side door of BMW E65, E66, and E67 models. As a part of the Door Upholstery group, it works with the door wiring harness, processing signals from switches and transmitting them to the vehicle's master systems. It is responsible for the correct operation of comfort functions related to the driver's door, in accordance with the manufacturer's factory logic.

Compatibility and part identification

The module was designed specifically for the BMW 7 Series E65, E66, and E67 platform, which means it is perfectly matched to the electrical architecture of these bodies. As a part marked with a dedicated OEM number, it also has a set of interchangeable numbers that allow for easier identification in service catalogs and parts selection systems. This allows for precise verification of compatibility with a specific equipment configuration.

Technical characteristics and installation

The placement of the module in the front driver's door zone promotes short signal paths between the switches and the controller, which reduces interference and improves system stability. The design provided by the manufacturer allows for installation in factory mounting points, using the original electrical connectors. As a result, the installation is orderly and compliant with service documentation, without the need for harness modifications or interference with the door structure.

Condition of the item and benefits of choosing a used part

The offered module comes from disassembly and is classified as a used part, which allows for a significant reduction in repair costs compared to purchasing a new OEM component. At the same time, you maintain consistency with the vehicle's factory specifications, avoiding problems typical of non-original electronic replacements. Choosing an original used control unit is a sensible solution for users who want to keep their car in line with the manufacturer's standards while keeping service costs under control.

Expanding the driver's door zone in BMW

If you are planning a comprehensive repair or upgrade of the door zone in your BMW and need other elements from the same group, such as trim panels, handles, or button frames, check out the available parts in the BMW Door Upholstery category.

For users interested in optimizing service costs for premium cars, additional information on the safe use of parts from disassembly is provided in the article Luxury within reach – how to service a legendary Porsche brand using proven used parts, which shows how to consciously approach the selection of original used components.