BMW F20 F22 Audio Amplifier Harman/Kardon Active Sound Design System 2622503

BMW F20 F22 Audio Amplifier Harman/Kardon Active Sound Design System is a factory-fitted audio system component, designed specifically to work with the audio installation in BMW F-series models. It is responsible for precise signal amplification, channel control, and support for the Active Sound system, ensuring consistent, dynamic sound inside the vehicle. This is a solution for users who expect stable operation and high sound quality while maintaining full compatibility with the car's electronics.

Specifications and technical data

• SKU: 2622503
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2622503
• Substitutable numbers: 2622503, 65122622503, 2622892, 65122622892, 9390396, 65129390396, 6827159, 65126827159, 6805821, 65126805821, 6809354, 65126809354, 9362445, 65129362445, 9326555, 65129326555, 9381088, 65129381088, 9367812, 65129367812, 65129353021, 65129352264, 65126834089, 65129343317, BG
• Category: Amplifiers

Purpose and function in the BMW audio installation

The presented amplifier is a component of the factory BMW audio system with the Harman Kardon line and Active Sound function, responsible for controlling the multi-channel audio signal. The module works with the vehicle's control unit, multimedia system, and speaker set, ensuring proper control of individual transducers in the cabin.

Thanks to integration with the vehicle's bus, the amplifier enables:

• precise adjustment of sound characteristics to the interior of a specific BMW model,
• support for the Active Sound function, i.e., shaping the sound depending on the driving mode,
• stable power supply to the speakers while maintaining control over temperature and load.

Benefits of using an original BMW amplifier

The original amplifier from the BMW Amplifiers line ensures full compatibility with the factory wiring, software, and vehicle configuration. In practice, this means:

• no need for electrical installation modifications or the use of adapters,
• proper cooperation with the factory multimedia system and sound settings,
• preservation of diagnostic functions – the module is visible in the vehicle system and can be read by service tools.

Choosing an original component allows you to avoid problems typical of replacements, such as interference, communication errors, or incorrect Active Sound operation. This is particularly important in cars where the audio system is integrated with other comfort and safety systems.

Performance characteristics and installation

The amplifier has been designed as a plug-in control module within the BMW electronic architecture. Its housing and connectors are adapted to factory mounting points and the original wiring harness. As a result, installation is limited to correctly seating the module and connecting the dedicated connectors, without interfering with the vehicle's structure.

As a component integrated with the Harman Kardon system, the amplifier supports multi-channel signal processing, which translates into:

• clear reproduction of the soundstage in the cabin,
• better separation of bands and channels,
• consistent operation with factory equalizer settings and audio system operating modes.

Condition and service application

The offered item is in used condition, making it an attractive service solution for audio system repairs or restoring full functionality of the Harman Kardon system in BMW F20 and F22 models. This is a practical option in the event of a factory module failure, speaker power supply problems, or communication errors within the audio system.

Due to the specifics of vehicle electronics, it is recommended to verify compatibility with the car's configuration before installation and – if necessary – perform adaptation or coding at a specialized service center to fully utilize the capabilities of the amplifier and the Active Sound function.

Audio system expansion and additional materials

If you are planning a comprehensive repair or upgrade of the multimedia zone in your BMW and need other components from the same group, such as additional audio modules, sound controllers, or other amplifiers, check the available parts in the BMW Amplifiers category.

When planning upgrades or repairs for cars of this brand, it is also worth paying attention to the operational issues of engines – practical tips and typical problems are described in the article Troublesome BMW E90 engines: check what can ruin your budget!, which helps to better plan the service of the entire vehicle.