BMW E60 E61 LCI Alarm System Unit Ultra Sonic Module

The BMW E60 E61 Ultrasonic Alarm System is an original BMW part designed for the factory security system in the 5 Series E60/E61. The module integrates with the vehicle's wiring, expanding the car's interior protection with ultrasonic sensors and improving the effectiveness of the factory alarm.

Specifications and technical data

• SKU: 6948182
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6940588
• Substitutable numbers: 65759149673, 9149673, 65776980089 65756933674 65756948182 65756936007, 6980089 6933674 6948182 6936007, 65756958414 65756940588, 6958414 6940588, 65756974370, 6974370
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and Function in the Alarm System

The presented ultrasonic system is an original equipment component for the security system in BMW 5 Series E60 and E61 generations. It is responsible for monitoring the cabin space using ultrasonic waves, which allows for the detection of movement inside the vehicle after the alarm is armed. This ensures that the alarm reacts not only to the opening of doors or the trunk, but also to interference within the passenger compartment.

This type of solution is particularly useful in cars parked on the street or in public places, where the risk of unauthorized access to the interior is elevated. The use of a dedicated BMW module ensures compatibility with the vehicle's electrical architecture and proper cooperation with the factory comfort control unit and central locking system.

Compatibility and Integration with BMW Systems

The component has been designed specifically for the E60/E61 platform, meaning it features matched connectors, appropriate operating characteristics, and communication with BMW's onboard electronics. This allows for integration with the existing alarm system without the need for additional adapters or wiring modifications.

Its original origin from the BMW group promotes consistent operation of all security functions – from optical and acoustic signaling to messages in the onboard system. In practice, this translates to stable system operation, no diagnostic errors, and predictable alarm behavior in daily use.

Performance Characteristics and Installation Benefits

This type of ultrasonic system enhances the level of interior protection without altering the cabin's aesthetics. The module works with existing sensors and control units, creating a cohesive security system. Compared to universal aftermarket solutions, using an original BMW component reduces the risk of compatibility issues and eliminates the need for additional programming beyond the standard service procedure.

A used OEM part is a good choice when the factory alarm system needs to have its full functionality restored after a sensor failure or damage. This allows for the recreation of the vehicle's original security configuration while maintaining the factory operating logic and communication with the car's electronics.

Part Identification and Replacement Numbers

The product has an assigned OEM part number and a set of interchangeable numbers, which facilitates its identification in BMW catalogs and diagnostic software. This allows for precise verification of the module's compatibility with a specific equipment version and vehicle year, minimizing the risk of selecting an incorrect component.

The product's technical description also includes information about the stock number and brand, allowing for quick confirmation that it is an original BMW group part, not a replacement of unknown origin.

Condition and Service Application

The offered ultrasonic alarm system is primarily used for security system repairs, replacing a damaged module, or restoring the full functionality of the factory alarm after electrical system interventions. A used OEM component helps maintain the system's original operating characteristics, which is particularly important in vehicles where adherence to the original configuration is crucial.

Before installation, standard diagnostics of the alarm system and verification of the proper functioning of other system components are recommended to ensure that the module replacement yields the expected results and restores full interior protection.

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

To compare solutions used in sports models from other brands and to better understand the differences in the construction of powertrains and their accompanying systems, it is worth reading the article on our blog: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?.