Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3454567

Visual condition of the part

The product shows signs of use visible in the photos.

Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit is an original multimedia module from the Electronic control modules and controllers group, designed for factory installation in Mini Cooper One R55, R56, and R57 series models. The device serves as the central element of the audio system, providing seamless control of the radio and CD player, as well as full integration with the vehicle's electrical system. It is a practical solution for users looking to restore the proper operation of the factory sound system or replace a faulty module with a proven component.

Specifications and technical data

• SKU: 3454567-2
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 3454567
• Substitutable numbers: 65123452681, 3452681, 65123455539, 3455539, 65123453634, 3453634, 65123455263, 3455263, 65123452105, 3452105, 65123454567, 3454567, 65123452051, 3452051
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

The Radio Boost CD Player Head Unit acts as the central control unit for the audio system in the Mini Cooper One R55, R56, and R57. It is responsible for handling radio signals, playing CDs, and communicating with other electrical system components, such as displays, console buttons, or additional comfort modules. Thanks to its factory design, the module works with the original wiring harness and connectors, which reduces the risk of compatibility issues.

Construction and integration with Mini electronics

As an item from the Electronic control modules and controllers category, this head unit is designed to operate within the Mini onboard network, utilizing a dedicated communication architecture. Properly selected electronics ensure stable cooperation with other controllers in the vehicle, which is important for both sound quality and the correct operation of comfort functions. Using an original module allows for maintaining the consistency of the user interface and the appearance of the center console.

Practical application and benefits of installation

Installing this radio is particularly beneficial in situations where the existing control unit has failed, there is interference in the audio system, or there are communication problems with other modules. Replacing it with an original head unit allows you to:

• restore the full functionality of the factory sound system,
• maintain a consistent interior look without the need for adapters or converters,
• ensure proper cooperation with other controllers in the vehicle,
• minimize the risk of electrical installation errors resulting from the installation of non-factory solutions.

For many users, it is also important that using an original module can positively influence the perceived value of the car during a potential resale, as the interior remains consistent with the factory specification.

Product characteristics and condition

The offered head unit is an original Mini brand component, sourced from dismantling, which allows for maintaining factory fitment to the dashboard and electrical installation. As a used part, the module is a good choice for those looking for a reasonable compromise between repair costs and maintaining the original vehicle configuration. This type of solution is often chosen by workshops specializing in the Mini brand, which prioritize compatibility and predictable electronic behavior after installation.

Selecting the right module and reference numbers

When selecting an audio control unit for the Mini Cooper One R55, R56, and R57, it is crucial to match it to the specific vehicle configuration and ensure compatibility with the electrical system. The offered product has a dedicated OEM part number and associated interchangeable numbers, which facilitates verifying compatibility with a specific car. Before purchasing, it is worth comparing the markings with the currently installed module or consulting a mechanic to ensure trouble-free installation and proper system operation after replacement.

Mini electronic control modules – expansion and service

If you are planning a comprehensive repair or upgrade of the onboard electronics in your Mini and need other elements from the same group, such as comfort controllers, multimedia modules, or power management units, check out the available parts in the Mini electronic control modules and controllers category.

Expert support and knowledge about electronic modules

When working with automotive electronics, especially in vehicles equipped with extensive multimedia systems, it is worth using proven sources of knowledge. Issues related to diagnostics, repair, and replacement of controllers and comfort modules are discussed in more detail 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 dismantled parts?, which shows best practices for working with used electronic components in modern cars.

For those wondering about the impact of using original used parts on the future value of the vehicle, the material Original used parts vs. car resale price – how not to lose?, which discusses the importance of factory components when selling a car later, may also be helpful.