BMW E60 E61 E65 E66 E67 E87 E90 Alarm Siren Horn 9189818

BMW E60 E61 E65 E66 E67 E87 E90 Alarm Siren Horn is an original acoustic security system component designed for BMW 5 Series E60, 1 Series E87, and 3 Series E90 models. The siren is responsible for generating a clear audible signal in the event of a breach of the vehicle's protected zone, supporting the effective operation of the factory alarm. Thanks to its OEM design, it provides a consistent complement to the factory electronics and electrical installation of the BMW.

Specifications and technical data

• SKU: 9189818
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9189818
• Substitutable numbers: 65759189818, 9189818, 65759243750, 9243750, 657591676376575015340265750309352, 657591898186575039307965759124581, 916763701534020309352, 918981803930799124581, 657591179006575922307265756922565, 657569360096575697775565756917740, 911790092230726922565, 65759223072, 9223072, 65759167637, 9167637, 65759124581, 9124581, 65759117900, 9117900, 65756977755, 6977755, 65756948392, 6948392, 65750393079, 0393079, 65750309352, 0309352, 65750153402, 0153402, 65756942429, 6942429, 65756936009, 6936009, 65756933790, 6933790, 65756922565, 692256
• Category: Horns

Purpose and function in the security system

The alarm siren in the BMW E60, E87, and E90 is a key acoustic element of the anti-theft system, working in conjunction with interior monitoring sensors, locks, and the comfort control module. Upon detection of unauthorized vehicle entry or a theft attempt, it generates a loud, characteristic warning signal designed to deter intruders and draw the attention of the surroundings.

The original BMW siren is engineered for the correct sound characteristics, weather resistance, and compatibility with the vehicle's bus system. As a result, it maintains stable operation in typical mounting locations within the engine bay or wheel arch, where it is exposed to moisture, temperature fluctuations, and vibrations.

Compatibility and integration with BMW electronics

The BMW E60 E61 E65 E66 E67 E87 E90 Alarm Siren Horn has been developed specifically to work with the factory control units of these generations, minimizing the risk of communication errors and unwanted messages on the instrument cluster. This component is recognized by the BMW diagnostic system, which facilitates verification of proper operation and potential adaptation after installation.

Thanks to the use of an original OEM design, the vehicle's wiring harness maintains full compatibility with factory connectors, without the need for installation modifications or the use of adapters. This is important both from the point of view of reliability and subsequent service maintenance and computer diagnostics.

Performance characteristics and installation benefits

Choosing an original BMW alarm siren from the Horns category allows you to maintain the consistency of acoustic parameters with the rest of the vehicle's sound system. A well-chosen component ensures:

• a stable volume level of the alarm signal,
• proper cooperation with the central locking system and sensors,
• preservation of factory comfort and security functions,
• easier diagnostics during future inspections.

As a used OEM part, the siren is an attractive solution for users who want to restore full functionality to the alarm system while maintaining original build quality and fitment for a specific BMW generation.

Condition, verification, and selection by part numbers

The item is offered in a used condition, which in practice means it has been removed from a vehicle and verified for further serviceability. In the case of BMW electronic and acoustic components, it is particularly important that the selection is based on the OEM part number and interchangeable numbers, which helps avoid compatibility issues within individual model years and equipment versions.

When selecting an alarm siren, it is worth using the manufacturer's catalog data or the numbers recorded in the vehicle's service documentation to ensure that the installed component will work correctly with the existing control unit and alarm configuration.

Expanding the BMW acoustic system

If you are planning a comprehensive repair or upgrade of the acoustic zone in your BMW and need other elements from the same group, such as additional sound signals, signal control modules, or acoustic warning elements, check out the available parts in the BMW Horns category.

For users interested in a broader context of selecting original components by manufacturer numbers and VIN, an article describing practical rules for working with catalogs and used OEM parts may be helpful – more information can be found in the material: Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it using original Audi parts.