Bluetooth Head Unit Mini Cooper R55 R56 R57 Radio Boost CD USB 3457050

Bluetooth Head Unit Mini Cooper R55 R56 R57 Radio Boost CD USB is a factory-original component from the Electronic control modules and controllers category, designed for integrating the audio system with the vehicle's onboard electronics in Mini Cooper R55, R56, and R57 series models. It offers convenient multimedia operation, Bluetooth connectivity, and dashboard-level control, while maintaining the original interior aesthetic and full compatibility with the vehicle's wiring.

Specifications and technical data

• SKU: 3457050
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 3457050
• Substitutable numbers: 65123456870, 3456870, 65123456628, 65123456324, 3456628, 3456324, 65123457050, 3457050, 65123457568, 3457568, 65123457434, 3457434, 65123456995, 3456995, 65123456871, 3456871, 65123456760, 3456760, 65123456516, 3456516, 65123456601, 3456601, 65123456427, 3456427
• Category: ECUs & Computer Modules

Function and application in the Mini multimedia system

The head unit with a built-in Bluetooth module and CD player serves as the central control unit for the audio system in the Mini Cooper R55, R56, and R57. It is responsible for:

• radio operation and CD playback,
• integration with factory speakers and wiring,
• communication with other vehicle control units,
• transmitting information to the console display. This ensures the consistency of the entire electronic system, allowing the driver to use multimedia functions without the need for additional adapters or modifications to the installation.

Bluetooth and ergonomics

The built-in Bluetooth module enables wireless communication with compatible mobile devices, resulting in more convenient use of phone functions and audio streaming. The head unit works with the factory buttons in the cabin, ensuring:

• intuitive control of volume and audio sources,
• clear presentation of information on the CD display,
• preservation of the original Mini operating logic. This solution allows for maintaining the consistent cockpit look characteristic of the Mini, while utilizing modern connectivity features.

Integration with vehicle electronics

As a component from the Electronic control modules and controllers category, this head unit communicates with the vehicle's data bus, enabling data exchange with other modules. In practice, this means:

• proper cooperation with factory steering wheel controls (if equipped),
• retention of messages and functions related to the audio system,
• no need for universal adapters. The original design facilitates installation in place of the factory device, which is beneficial both for repairs and for restoring the car to its OEM configuration.

Characteristics of the used product

The offered head unit is a used part, sourced from dismantling, which allows for reducing repair costs compared to new components. At the same time, compliance with the factory Mini specification is maintained, ensuring that:

• you avoid problems with housing and connector fitment,
• you maintain the original interior appearance,
• you use a part consistent with the vehicle manufacturer's specifications. This is a practical solution for users who want to restore full audio system functionality without interfering with the electrical installation.

Part number selection and technical support

The head unit has a dedicated OEM part number and a set of interchangeable numbers, which facilitates precise matching to a specific Mini Cooper configuration. When selecting, it is worth using the manufacturer's markings and vehicle data to ensure full hardware and software compatibility. If you want to better understand how to safely choose used electronic modules, how to interpret OEM markings, and what to pay attention to during installation, check out our guide: Used automotive electronics – second-hand modules and controllers in practice.

Related Mini modules – system expansion and repair

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