BMW F22 F30 F32 F80 M3 F82 M4 LCI Horn Low Pitch Tone Signal 7400706

BMW F22 F30 F32 F80 M3 F82 M4 LCI Horn Low Pitch Tone Signal is an original component from the Horns group, designed for installation in selected BMW F-series models, including the M3 and M4 versions. This used OEM component ensures the correct sound of the warning signal and compatibility with the vehicle's factory electrical system.

Specifications and technical data

• SKU: 7400706
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7400706
• Substitutable numbers: 61337400706, 7400706, KZ
• Category: Horns

Purpose and function of the low-pitch horn

The presented low-pitch tone signal is designed to operate within the BMW F-series acoustic system, where it is responsible for generating a clear, audible warning sound. The low-pitch characteristic improves the clarity of the signal in city traffic and on highways, supporting the vehicle's active safety.

The component works with the factory horn control system, ensuring that after proper installation, full functionality of the steering wheel button and the manufacturer's intended operating logic are maintained.

Compatibility with BMW F-series models

The low-pitch horn is intended for use in selected BMW F-family models, including the M3 and M4 sports versions. This ensures the maintenance of the appropriate manufacturing standard, fitment to factory mounting brackets, and compliance with the vehicle's electrical system parameters.

By using an original OEM component, you minimize the risk of installation issues, signal malfunctions, or electrical system errors. This solution is particularly beneficial for post-accident repairs, replacing a damaged horn, or restoring the full efficiency of the warning system.

Performance characteristics and advantages

Choosing an original low-pitch horn for your BMW F-series provides a number of practical benefits:

• preservation of the factory horn sound, consistent with the BMW standard,
• secure fitment to the electrical system and body mounts,
• stable operation under typical road conditions,
• consistency with other components of the acoustic signal system.

A used OEM component is also a reasonable compromise between repair cost and quality, allowing you to keep the vehicle in good technical condition without the need to use cheaper replacements with uncertain parameters.

Product condition and practical application

The offered horn comes from disassembly and is sold as a used part, which means it may show signs of previous use while maintaining the functionality required for further operation. This type of component is particularly useful for routine repairs when the priority is to efficiently restore the full function of the horn in the vehicle.

By choosing a used low-pitch signal, you also support a circular economy approach, reducing waste and the demand for the production of new parts. You can find more on this topic in the article Circular economy in your garage – how choosing used parts from disassembly really supports environmental protection and your wallet?.

Expanding the BMW acoustic signal system

If you are planning a comprehensive repair or upgrade of the acoustic signal zone in your BMW and need other elements from the same group, such as additional high-pitch signals, mounts, or wiring harnesses, check out the available parts in the BMW Horns category.