BMW 3 X1 E84 E91 Ultra Sonic Burglar Alarm System Sensor Module 9149672

BMW Ultrasonic Alarm Sensor Module for the 3 Series and X1 is an original vehicle security component responsible for monitoring the interior cabin as part of the factory alarm system. Thanks to precise motion detection inside the car, it enhances protection against unauthorized access, serving as a practical addition to the central locking and alarm siren. This solution is particularly useful when parking in public spaces, underground garages, and unsecured parking lots.

Specifications and technical data

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

Application and Function in the BMW Alarm System

The presented ultrasonic alarm sensor module works with the factory BMW electronics, monitoring the interior space of the vehicle and reacting to unwanted movement after the alarm is armed. This component is designed for installation in BMW 3 Series and BMW X1 models, where it integrates with the existing electrical system and the logic of the comfort controller.

As part of the original BMW security system, the module ensures:

• consistent operation with other alarm components,
• appropriate motion detection sensitivity inside the vehicle,
• operation in accordance with the vehicle's factory settings.

Compatibility and Reference Numbers

The module is designed as an OEM part, meaning it complies with the manufacturer's factory standards and is intended for direct integration with the electrical system of compatible BMW models. It has a dedicated part number and a set of interchangeable numbers, allowing it to be used as a proper replacement in various equipment versions, depending on the car's year and configuration.

Because the product has specific catalog designations, you can easily verify its compatibility with your vehicle using data such as SKU, OEM part number, or related reference numbers in the technical specifications tab.

Condition, Origin, and Benefits of Using a Used Part

The offered module is a used part, sourced from a dismantled BMW vehicle. Such components are often chosen by discerning users looking for original solutions at a reasonable price while maintaining compatibility with the factory installation. For alarm electronics, using an OEM part minimizes the risk of communication issues within the vehicle's bus system and reduces the need for additional modifications.

Choosing an original ultrasonic module allows you to:

• maintain the consistency of the security system with the factory configuration,
• preserve the aesthetics and functionality of the interior without additional external sensors,
• reduce installation time thanks to fitted connectors and harnesses.

Professional Installation and Operation

To fully utilize the capabilities of the BMW ultrasonic alarm sensor, installation by someone experienced with the brand's vehicle electronics is recommended. Proper connection to the electrical system and potential adaptation in the diagnostic system ensure stable operation and the correct alarm response to interior intrusion.

When planning broader service work, it's also worth considering other wear-and-tear components of the vehicle. The guide TOP 10 Most Frequently Replaced Parts in Your Car can be helpful in planning your budget for repairs and upgrades.

Complementing Upgrades and Additional Resources

If, alongside repairing the alarm system, you're considering refreshing your car's appearance, wheel refurbishment or replacement might be a good direction. Practical tips can be found in the article Used Wheels Like New – A Guide to Buying and Refurbishing Alloy Wheels, which will help you plan your car's work cohesively – both in terms of safety and aesthetics.

By combining original BMW components with thoughtful upgrades, you gain a vehicle that is better secured, more functional, and prepared for daily use in diverse conditions.