BMW 3 Series E90 E92 E93 LCI M3 Low Tone Pitch Horn Signal 7838655

BMW 3 Series E90 E92 E93 LCI M3 Low Tone Pitch Horn Signal is an original acoustic system component designed for the 3 Series E90, E92, and E93 LCI M3 models. This used OEM component ensures the correct sound of the warning signal and proper compatibility with the factory BMW electrical system. It is a practical solution for replacing a damaged horn or restoring the full functionality of the acoustic safety system.

Specifications and technical data

• SKU: 7838655
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7838655
• Substitutable numbers: 61337838655, 7838655
• Category: Other Interior Parts & Accessories

Purpose and compatibility

The presented horn is designed for the BMW 3 Series M3 LCI (facelift) construction, including sedan, coupé, and convertible body styles. This ensures that factory mounting points and proper connections to the vehicle's electrical system are maintained, facilitating installation and reducing the risk of fitment issues.

As an OEM component from BMW, the horn is adapted to the electrical parameters of the factory system, which promotes stable operation and correct response to signals from the steering wheel or driver assistance systems.

Technical characteristics of the horn

The M3 version horn is responsible for generating a clear, audible acoustic warning in traffic. The horn's design is optimized for:

• appropriate volume, ensuring a clear signal for other road users,
• a characteristic sound profile, consistent with the factory BMW M3 tone,
• stable operation under typical vehicle operating conditions.

These properties allow for maintaining the consistency of the entire warning system and compliance with the vehicle manufacturer's specifications.

Component condition and service application

The offered horn is a used component, making it a reasonable choice for service repairs where the priority is maintaining original specifications while optimizing costs. This type of component is particularly useful in situations where the existing horn has suffered mechanical damage or has stopped responding to controls.

Thanks to the preservation of the factory design, a plug-and-play solution is possible – after proper connection and mounting, the horn works with the existing electrical harness and vehicle control system.

Benefits of using an original BMW M3 horn

Using an original BMW M3 horn allows you to maintain the consistency of the acoustic safety system and avoid problems typical of aftermarket replacements with uncertain parameters. Key advantages include:

• factory fitment for the wiring and mounts in E90, E92, E93 LCI M3 models,
• preservation of the original sound characteristics,
• reduction of the risk of electrical system errors resulting from parameter mismatches.

For users who care about the technical consistency of the vehicle and compliance with the manufacturer's standards, choosing such a component is a practical solution for repairs and restorations.

Support with selection and related technical content

The element has assigned OEM part numbers and corresponding interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. If necessary, you can compare the markings with service documentation or the removed part to confirm the correct selection.

If you are planning a comprehensive repair or upgrade of the safety and acoustic signaling zone in your BMW and need other elements from the same group, such as additional horns, wiring harnesses, or mounts, check the available parts in the Other BMW category.

To compare technical solutions used in sports versions of other brands, including those regarding drivetrain and braking systems, it is worth reading the material discussing design differences in high-performance models: Audi RS vs other models – what is hidden under the hood and chassis?.