Horn Signal BMW F20 F21 F30 F31 F32 F33 Low Tone Pitch Fanfare 7245422

Visual condition of the part

The product shows signs of use visible in the photos.

Horn Signal BMW F20 F21 F30 F31 F32 F33 Low Tone Pitch Fanfare is a factory-original warning system component, specifically designed for popular 1, 3, and 4 Series models. This used OEM component ensures correct sound characteristics, electrical compatibility, and secure mounting in factory body points. It is a practical solution for drivers looking to restore full horn functionality without compromising on fitment.

Specifications and technical data

• SKU: 7245422-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7245422
• Substitutable numbers: 7245422, 61337245422, 7300976, 6916395
• Category: Horns

Purpose and function of the BMW low-tone horn

The presented low-tone horn has been developed for the acoustic system in selected BMW F-series models. It is responsible for generating the lower part of the sound spectrum, which, when combined with the high-tone signal, creates a clear, audible warning message. This allows the driver to maintain full functionality of the safety system, ensuring the vehicle meets homologation requirements for acoustic signals.

As an item in the Horns category, this part works with the factory steering wheel button, electrical installation, and mounting brackets provided by the manufacturer. Using an original solution helps avoid issues with incorrect volume levels, overly aggressive sound tones, or incompatible power consumption.

Compatibility with BMW F20, F21, F30, F31, F32, F33 models

The BMW low-tone horn is designed to work with the F-platform, including the 1 Series (F20, F21), 3 Series (F30, F31), and 4 Series (F32, F33). This means that the mounting geometry, electrical connector, and operating parameters are tailored to the factory solutions used in these bodies.

In practice, this translates to:

• easy installation in the original location without the need for wiring modifications,
• proper cooperation with the factory signal control system,
• preservation of the acoustic characteristics intended by the manufacturer.

As a result, replacing a damaged horn with this component allows for a quick restoration of the warning system's full efficiency, without the risk of incompatibility with the vehicle's installation.

Operating characteristics and benefits of using an original horn

As a low-tone element of the system, the horn generates a lower-frequency sound that is clearly audible in city traffic and on highways. Using an original design ensures:

• stable acoustic parameters – consistent volume level and sound tone in line with factory specifications,
• correct power consumption – essential for the durability of the electrical system and relays,
• adequate resistance to operating conditions – performance in the engine bay or areas exposed to moisture and contaminants.

A used OEM component is a sensible choice for users who expect to maintain the factory character of the vehicle while optimizing repair costs. The original solution avoids problems typical of universal replacements, such as ill-fitting brackets or incompatible connectors.

Condition, origin, and installation aspects

The offered horn comes from dismantling and is classified as a used BMW part. This means it is an original part designed by the vehicle manufacturer, not a replacement of unknown origin. Such components are particularly valued by those who care about the technical and aesthetic consistency of their car.

Before installation, a standard service procedure is recommended, including checking the condition of connectors, ground points, and the wiring harness leading to the horn. A properly installed low-tone horn works with other system components, ensuring quick activation and a repeatable response to pressing the button on the steering wheel.

Selection support and additional information

The presented product has assigned identifiers, such as SKU, OEM part number, and interchangeable numbers, which facilitate verification of compatibility with a specific vehicle configuration. In case of doubt, it is worth comparing the markings with the currently installed part or service documentation to ensure the correct selection.

If you are planning a comprehensive repair or upgrade of the warning signal zone in your BMW and need other elements from the same group, such as additional high-tone signals, power harnesses, or mounting brackets, check the available parts in the BMW Horns category.

For drivers interested in the broader context of operating cars of this brand, including the costs of secondary market parts, an article comparing popular diesel engines may be helpful – details can be found in the material BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels.