Audio Amplifier BMW X3 G01 X4 G02 Sound System Top Hifi Unit Module 2622874

Visual condition of the part

The product shows signs of use visible in the photos.

Audio Amplifier BMW X3 G01 X4 G02 Sound System Top Hifi Unit Module is a factory module from the Electronic control modules and controllers group, designed to work with the advanced sound system in these models. It offers precise audio channel control, stable operation within the BMW electrical system, and consistency with the vehicle's factory electrical architecture, which allows for maintaining full functionality of the multimedia system.

Specifications and technical data

• SKU: 2622874-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2622874
• Substitutable numbers: 2622874, 65122622874, 6995393, 65126995393
• Category: ECUs & Computer Modules

Purpose and function of the amplifier

This audio amplifier is a component of the Top HiFi system in the BMW X3 G01 and X4 G02, responsible for amplifying and distributing the signal to individual speakers. As an original BMW module, it ensures:

• proper cooperation with the factory radio and iDrive head unit,
• preservation of factory balance, fader, and sound equalization settings,
• integration with the MOST installation / vehicle communication bus,
• stable operating parameters under typical vehicle operating conditions.

Thanks to this, installing such an amplifier is the preferred solution for repairs or restoring full functionality of the sound system after a factory module failure.

Benefits of using an original BMW module

Choosing an original BMW audio amplifier for the Top HiFi system allows you to avoid problems typical of replacements and universal solutions. The module is designed specifically for the electrical architecture of the X3 G01 and X4 G02, which translates into:

• precise matching of output parameters to factory speakers,
• no need for rewiring or using additional adapters,
• preservation of the original sound characteristics of the Top HiFi system,
• proper cooperation with comfort functions and system messages.

Such a solution is particularly important in vehicles equipped with extensive audio configurations, where each control module has a specific role assigned in the vehicle's electronic network.

Condition, verification, and practical application

The offered amplifier comes from dismantling and is a used item, which in practice means a favorable cost-to-functionality ratio while maintaining factory build quality. Modules of this type are commonly used both for standard repairs and for restoring full sound system efficiency after damage resulting from trunk flooding, electrical surges, or software errors.

To select the appropriate unit for a specific car, it is worth paying attention to the compatibility of markings and vehicle equipment configuration. If necessary, it may be helpful to compare the module with the factory-installed part or consult a service specializing in BMW electronics.

Integration with other BMW electronic modules

The audio amplifier in the Top HiFi system works with other onboard controllers, such as the iDrive unit or comfort modules. In the case of extensive work on vehicle electronics – e.g., replacing several controllers, updating software, or repairing the installation – it is worth familiarizing yourself with good practices regarding BMW electronics maintenance. Useful tips can be found in the article: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using parts from dismantling?, which discusses the principles of safely using used modules and their correct adaptation.

A safe choice for a used audio amplifier

Purchasing a used audio amplifier for a BMW is an economical solution, but one that requires a conscious approach. It is worth paying attention to the origin of the module, compatibility with vehicle equipment, and operating history. Additional practical advice on choosing used electronic and tuning components can be found in the material: Buying used car parts – the most common mistakes when choosing tuning parts, which helps to avoid common pitfalls when collecting components from the secondary market.

If you are planning a comprehensive repair or upgrade of the onboard electronics area in your BMW and need other elements from the same group, such as comfort controllers, multimedia modules, or audio amplifiers, check the available parts in the Electronic control modules and controllers BMW category.