BMW 7 Series E65 E66 E67 Ultra Sonic-Module 6940763

The BMW E65 E66 E67 Alarm Sensor Control Module is an original security system component designed for advanced alarm systems in luxury BMW 7 Series sedans. This specialized control unit ensures stable operation of comfort and safety electronics, and thanks to its factory origin, guarantees proper integration with the vehicle's electrical system. This is a solution for users who expect precise fit and correct communication with the vehicle's bus.

Specifications and technical data

• SKU: 6940763
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6940763
• Substitutable numbers: 6922413, 65756922413, 6920573, 65756920573, 65756924278, 6924278, 6919094, 65756919094, 6926048, 65756926048, 0402551, 65750402551, 0153400, 65750153400, 65750302983, 0302983, 65756929701, 6929701, 65750309350, 0309350, 6940763, 65756940763, 65756974372, 6974372, 65756918470
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and Function in the BMW Alarm System

The presented alarm sensor control module is an electronic component responsible for processing signals from the security system sensors in BMW E65, E66, and E67 models. Its task is to monitor the alarm's operation, cooperate with other body control modules, and react appropriately to breaches of the vehicle's protected zones.

Thanks to its construction in line with BMW's factory standards, the module maintains full compatibility with the original wiring harness, CAN network architecture, and the logic of the comfort and security system. This helps avoid communication problems between control units and reduces the risk of diagnostic errors.

Benefits of Using an Original Alarm Module

Using an original alarm control unit in a BMW 7 Series offers a number of practical technical benefits:

• maintaining the factory logic of the alarm and comfort system operation,
• correct cooperation with other body control modules,
• reduced risk of false alarms or system non-response,
• easier computer diagnostics using factory service software,
• no need for electrical system modifications.

For users who value the consistency of the vehicle's electronics, it is important that this is an element compliant with the factory BMW specification, which contributes to the stable operation of the entire security system.

Interchangeable Numbers and Vehicle Fitment

The module has assigned interchangeable numbers, which facilitates part selection based on service documentation or data read from the existing control unit. This allows for precise matching of the component to the specific equipment configuration of a given BMW E65, E66, or E67 model.

Before purchasing, it is advisable to compare the part numbers with the vehicle's documentation or consult a mechanic to confirm the control unit's compatibility with the car's engine version, year, and equipment. This approach minimizes the risk of communication problems within the vehicle network and the need for re-adapting the electronics.

If you want to deepen your knowledge on selecting used electronic components and other parts, the following guide may be helpful: How to Professionally Select Used Car Parts Using OEM Markings and Reference Numbers.

Product Characteristics and Condition

The offered BMW alarm control unit is a used part from a dismantled vehicle, allowing for economical repair of the security system while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial for advanced electronics, where universal aftermarket parts may not provide full functional compatibility.

The module is designed for installation in place of the factory control unit, using existing connectors and mounting points. With correct selection based on part numbers and equipment versions, it is possible to maintain comfort functions and integration with the central locking, sensors, and other elements of the alarm system.

Technical Support, Part Selection, and Related Content

For complex safety and comfort systems, such as those in the BMW 7 Series, it is crucial to correctly understand the differences between various control unit versions. To compare manufacturers' approaches to component performance and configuration, it is worth reading the article: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses, among other things, differences in construction and component selection in high-performance versions.

If you are planning a comprehensive repair or upgrade of the electronic security system in your BMW and need other parts from the same group, such as additional control modules, body sensors, or alarm system components, check the available parts in the Other BMW category.