BMW E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9244135

BMW E84 E91 Ultra Sonic Burglar Alarm System Sensor Module is an original module from the Electronic control modules and controllers group, designed for the factory BMW alarm system. This component works with ultrasonic interior sensors, ensuring precise monitoring of the vehicle cabin and increasing the level of anti-theft protection in BMW 1 Series E84 and 3 Series E91 models.

Specifications and technical data

• SKU: 9244135
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9244135
• Substitutable numbers: 9244135, 65759244135, 9260874, 65759260874, 6974374, 65756974374, 9200944, 65759200944, 9149672, 65759149672, 6972065, 65756972065
• Category: ECUs & Computer Modules

Function and application of the BMW ultrasonic alarm module

The presented module is responsible for processing signals from ultrasonic interior sensors, which detect movement in the cabin after the alarm is armed. As a result, the system is able to react to unauthorized door opening, glass breakage, or attempts to interfere with the passenger compartment, which significantly increases the vehicle's security level.

In BMW E84 and E91 vehicles, this module works with other body controllers to create a cohesive security system. A correctly selected and functional component allows for the restoration of full factory alarm functionality, eliminating errors related to incorrect motion detection inside the car.

Benefits of using an original BMW module

Using an original module from the Electronic control modules and controllers group ensures:

• compatibility with the electrical architecture of the BMW E84 and E91,
• proper cooperation with the factory alarm and other controllers,
• stable operation of the security system without false alarms,
• the possibility of diagnostics and coding using standard BMW service tools.

For workshops and users, this means easier integration with the existing installation and predictable system behavior after installation and potential programming.

Technical characteristics and integration with the vehicle installation

The ultrasonic alarm module is an electronic component designed for installation in the factory-designated location in the vehicle. Its design allows for direct connection to the electrical wiring harness, without the need for modifications or connector adaptations. This maintains system integrity and proper communication with other body controllers.

This component has been designed for operation in an automotive environment, taking into account typical temperature and vibration loads. In practice, this translates into stable operation during daily use, provided it is correctly installed and configured in the vehicle.

Product condition and use in service and retrofits

The offered module is a used part, which makes it an attractive cost-effective solution for repairing the BMW alarm system. It works well both for standard replacement of a damaged controller and for projects retrofitting the vehicle with a factory ultrasonic alarm, provided the vehicle's installation allows for such an option.

In the case of equipment upgrades or restoring full functionality of the security system, using an original module allows for maintaining the consistency of the vehicle configuration and avoiding problems typical of replacements with uncertain specifications.

If you are planning a comprehensive repair or upgrade of the electronic security systems area in your BMW and need other components from the same group, such as comfort controllers, alarm modules, or body controllers, check the available parts in the BMW Electronic control modules and controllers category.

Technical support and selection of the appropriate module

When selecting electronic modules for BMW, it is crucial to match them to the specific generation and equipment version of the vehicle. Proper identification of the controller facilitates subsequent configuration, coding, and integration with the existing installation. It is worth using service knowledge and technical documentation to avoid compatibility issues.

If you want to better understand how electronic modules work in BMW 3 and 5 Series, how to diagnose faults, and how to safely use dismantled parts, check out the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 Series models using dismantled parts?, where you will find practical tips on working with such components.