Control Unit BMW E65 E66 E67 Door Rear Driver Side LEAR Module 6940441

The BMW E65/E66/E67 LEAR Rear Driver's Door Control Module is an original electronic component designed for precise management of the rear driver's side door functions in the vehicle. As part of the comfort system in the 7 Series, this module is responsible for stable communication with the vehicle's electrical system and network, ensuring proper operation of the door components. Thanks to its factory origin from the BMW group, it maintains full compatibility with the body's electrical architecture.

Specifications and technical data

• SKU: 6940441
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6940441
• Substitutable numbers: 61356964142, 61356929180, 61356947123, 61356933270, 61350407117, 61350395475, 61356922265, 61356931229, 61350390483, 61356921982, 61356915829, 61356958453, 61356920466, 61356945378, 61356940441, 6964142, 6929180, 6947123, 6933270, 0407117, 0395475, 6922265, 6931229, 0390483
• Location on the vehicle: Rear
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and Function of the LEAR Module

The presented control module is dedicated for installation in the rear left driver's side door of BMW 7 Series models E65, E66, and E67. It is part of the distributed body electronics, responsible for handling control signals and communication with the vehicle's central units. Its task is to integrate the elements located in the door with the rest of the system, which translates into predictable operation of comfort and safety systems.

Compatibility and Interchangeability in BMW Systems

The module is designed as an OEM component, meaning it is fully compatible with the factory wiring harness and connectors used in the E65/E66/E67 generation 7 Series. The design anticipates the use of appropriate interchangeable part numbers, allowing the component to function as a replacement for various equipment versions within the same platform. This simplifies component selection for repairs, upgrades, or replacement of a damaged door controller.

Benefits of Using an Original Door Module

Using a factory LEAR module in the rear driver's side door ensures consistency with BMW's original electronic architecture. Proper integration with the vehicle's system reduces the risk of communication errors within the control unit network and minimizes the need for modifications to wiring or connectors. For the user, this means stable operation of the door systems and easier diagnostics in case of potential faults.

Installation Characteristics and Application

The module is designed for installation in the rear body area, within the driver's side door. Its housing and connectors are prepared for integration with factory brackets and mounting points in BMW 7 Series doors. In practice, this allows for service replacement of the component within standard workshop procedures, without the need for mechanical adaptation. Consequently, the module is suitable for both accident repairs and the resolution of operational faults in the door's electrical system.

If you are planning a comprehensive repair or upgrade of the body area in your BMW and require other components from the same group, such as control modules, door wiring harnesses, or additional electrical system components, check the available parts in the Other BMW category.

For those interested in comparing technical solutions used in different makes and segments, including advanced drive, braking, and chassis systems, an article discussing sporty Audi versions may be helpful – Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.

If the door module repair is part of broader bodywork and painting operations after a collision, and you are considering using parts from dismantling, it is worth familiarizing yourself with practical tips on selecting used body components in the article Body and Chassis – Post-Collision Repairs Using Dismantled Parts.