Mini R55 R56 R57 Radio Boost CD Player Head Unit Control Unit Module 3452681

Visual condition of the part

The product shows signs of use visible in the photos.

Mini R55 R56 R57 Radio Boost CD Player Head Unit Control Unit Module is an original radio and CD player control module designed for Mini R55, R56, and R57 series models. This component is responsible for managing audio functions in the vehicle, integrating radio control, CD player operation, and the user interface into one compact module. Thanks to its factory OEM design, it ensures consistent performance with the vehicle's electrical system and onboard electronics, which is crucial for professional repairs or replacements.

Specifications and technical data

• SKU: 3452681-3
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 3452681
• Substitutable numbers: 65123452681, 3452681, 65123455539, 3455539, 65123453634, 3453634, 65123455263, 3455263, 65123452105, 3452105, 65123454567, 3454567, 65123452051, 3452051
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the module

The presented module is the central control unit for the audio system in the Mini cabin, responsible for processing radio signals, operating CDs, and communicating with the panel buttons. As an OEM part, it is designed for specific Mini models, which translates into a perfect fit for connectors, control logic, and communication protocols within the vehicle's installation.

In practice, this means that after proper installation, the module works seamlessly with factory displays, buttons, and other infotainment system components, maintaining original ergonomics and the characteristic Mini operating experience.

Benefits of using an original module

Using a factory radio and CD player control module in the Mini R55, R56, and R57 series offers a number of practical benefits:

• Full integration with vehicle electronics – the module works with the existing wiring harness, comfort system, and factory controllers.
• Stable audio system performance – maintaining the manufacturer's specified operating parameters without the need for adapters or modifications.
• Consistent interior look – the original control panel matches the style of the Mini dashboard without the "aftermarket" device effect.
• Professional service solution – the module is suitable for both accident repairs and replacing a faulty unit in a daily-driven car.

Product characteristics and condition

The offered item comes from the line of original Mini parts, meaning it was designed with specific equipment versions and the electrical architecture of these models in mind. As a used part, it is intended for users and workshops looking for a solution that complies with factory standards while being cost-effective compared to new components.

A module of this type is particularly useful in situations where the existing control unit has failed, there are issues with radio or CD player operation, or a replacement is necessary due to mechanical or electrical damage. Choosing an original module allows you to maintain the audio system functionality intended by the manufacturer without compromising on compatibility.

Service application and installation

This type of radio module is frequently used by specialized services and workshops dealing with Mini automotive electronics. Thanks to factory connectors and a design intended for a specific vehicle generation, installation is limited to removing the old unit and installing the new one in the factory location, while retaining the existing wiring harness.

In the context of service repairs, it is important that the module has an assigned OEM part number and corresponding interchangeable numbers, which facilitates verifying compatibility with a specific vehicle configuration. Before purchasing, it is worth comparing the markings with service documentation or the removed part to ensure full compatibility.

System expansion and additional information

In the case of Mini interior upgrades, replacing the radio and CD player control unit often goes hand in hand with other cockpit work, such as improving ergonomics or personalizing control elements. In this context, a guide on replacing control elements in premium vehicles may be helpful – you can find more on this topic in the article Personalization and ergonomics – when is it worth upgrading to a premium steering wheel?.

If you are planning a comprehensive repair or upgrade of the cockpit area in your Mini and need other elements from the same group, such as control modules, control panels, or additional electronic units, check out the available parts in the Other Mini category.

For users interested in comparing solutions used in different brands and vehicle segments, including sports versions of models, an interesting addition to your knowledge may be a blog post dedicated to the construction of powertrains and chassis – more information can be found in the article Audi RS vs other models – what is hidden under the hood and chassis?.