BMW E82 E87 E90 E91 Interior Light Ultra Sonic Alarm Sensor Module 9149671

BMW E82 E87 E90 E91 Interior Light Ultra Sonic Alarm Sensor Module is an original BMW Interior Lighting component, combining interior illumination functionality with an ultrasonic alarm system sensor. This is a practical solution for users who want to maintain factory security functionality and a consistent headliner appearance in their BMW 1 Series and 3 Series.

Specifications and technical data

• SKU: 9244134-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9244134
• Substitutable numbers: 65759244134, 9244134, 65759200943, 65756972064, 65756946528, 65759149671, 65756974373, 65756963651, 9200943, 6972064, 6946528, 9149671, 6974373, 6963651
• Part type: Interior Lighting
• Category: Interior Light Assemblies

Purpose and function in the vehicle

The presented interior light with an ultrasonic module is designed for BMW E82, E87, E90, and E91 series models, where it is responsible for illuminating the central part of the cabin and interacting with the factory alarm. Integrated ultrasonic sensors monitor the space inside the vehicle, which increases the effectiveness of protection against unauthorized access when the doors are locked and the system is armed. Combining the light with the alarm module in a single assembly allows for maintaining factory wiring routing, aesthetic headliner finishing, and proper integration with BMW comfort electronics.

Construction and integration with the alarm system

The component combines a cabin light source and an ultrasonic module responsible for interior surveillance in one housing. The placement of the sensors in the ceiling light ensures optimal coverage of the passenger space while not interfering with cockpit ergonomics or driver visibility. As an OEM class part, the module is designed to work with the original BMW alarm system, which facilitates diagnostics, coding, and maintaining the full functionality of factory comfort settings. Proper fitment of connectors and housing geometry reduces the risk of looseness, rattling, or incorrect installation.

Benefits of using the original module

Using the original interior light with an ultrasonic sensor in a BMW E82, E87, E90, and E91 allows you to:

• maintain a consistent appearance of the headliner and cabin trim elements,
• ensure proper cooperation with the factory alarm and comfort electronics,
• minimize the risk of system errors resulting from incompatible replacements,
• preserve the manufacturer-intended motion detection zones within the interior. For users who are upgrading or restoring the functionality of their security system, this is a solution that allows for maintaining factory alarm operating parameters without compromises in terms of installation and aesthetics.

Component condition and service application

The product is offered as a used part, making it an attractive choice for post-accident repairs, replacing a damaged light after headliner work, or when retrofitting the vehicle with a factory alarm. Replacing the complete light assembly with the ultrasonic module is often faster and more predictable than repairing individual electronic components. The solution is suitable for both workshops specializing in the BMW brand and conscious users servicing their own cars who expect compatibility with the original installation and predictable behavior of the security system.

Support with selection and lighting system development

If you are planning a comprehensive repair or upgrade of the interior lighting zone in your BMW and need other elements from the same group, such as ceiling lights, passenger area lighting, or lighting control modules, check the available parts in the BMW Interior Lighting category. For users interested in a broader approach to visibility and safety, including the selection of headlights and lighting equipment, the guide article "See more and better – a complete guide to selecting and replacing used LED and Xenon headlights" will be helpful, allowing you to better plan your service strategy based on original lighting components.