BMW Mini Cooper R55 R56 R57 ABS DSC Hydro Braking Unit Pump 6784579

BMW Mini Cooper R55 R56 R57 ABS DSC Hydro Braking Unit Pump is an original ABS/DSC hydraulic module designed for Mini Cooper R55, R56, and R57 series models. This component is responsible for precise pressure control in the brake circuits, supporting driving stability and braking efficiency in various road conditions. Thanks to its factory OEM design, it ensures proper integration with the vehicle's electronics and maintains the factory performance parameters of safety systems.

Specifications and technical data

• SKU: 6784579
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 6784579
• Substitutable numbers: 34516798847, 6798847, 34506785178 34516792557 34516785910 34506786226, 6785178 6792557 6785910 6786226, 34516790383 34506786223 34516793234, 6790383 6786223 6793234, 6784579
• Category: Other Brake Parts

Purpose and function in the braking system

The hydraulic ABS/DSC pump in the Mini Cooper R55, R56, and R57 is a key element of the system responsible for regulating brake fluid pressure in individual circuits. It works with wheel speed sensors and the stability control unit to:

• prevent wheel lock-up during emergency braking,
• stabilize the vehicle when traction is lost,
• precisely dose pressure in the brake circuits,
• maintain consistent ABS and DSC system operation across the entire speed range.

A properly selected hydraulic module allows for maintaining the factory operating characteristics of the ABS/DSC system, which translates into predictable vehicle behavior in emergency situations.

Advantages of using an original Mini module

Choosing an original Mini solution in the form of this ABS/DSC pump provides a range of practical benefits in daily operation:

• full compatibility with the electrical and hydraulic systems of R55, R56, and R57 models,
• proper cooperation with the factory controller software,
• maintenance of safety system performance parameters according to the manufacturer's specifications,
• reduction of the risk of controller errors and incorrect dashboard warning messages.

As a result, installation is predictable, and the braking system can operate in a stable and repeatable manner after replacement, without the need for additional modifications to the installation.

Selection and compatibility with replacement numbers

The presented ABS/DSC module has an assigned OEM part number and a set of interchangeable numbers, which facilitates its identification in service catalogs and parts selection systems. This allows for an organized verification of the component's compatibility with a specific Mini Cooper R55, R56, or R57 equipment version.

Before purchasing, it is worth comparing the markings with vehicle data and service documentation to ensure that the selected module matches the braking system configuration of the specific unit. This selection method helps avoid installation problems and ensures consistency in ABS/DSC system performance parameters.

Characteristics of the used component

The offered module comes from disassembly and is marked as a used component. This type of OEM part is an attractive solution for users who want to restore full functionality to the braking system while keeping service costs reasonable. In practice, this allows for:

• replacing a damaged module with a factory equivalent,
• maintaining the original vehicle specification,
• reducing costs compared to purchasing a new component.

With proper installation and bleeding of the braking system, such a component can effectively restore the correct operation of ABS and DSC systems in a Mini Cooper.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the braking zone in your Mini and need other components from the same group, such as pumps, control modules, or lines, check out the available parts in the Other Mini category.

When comparing solutions used in different brands and segments, the material describing the differences in the design of powertrains and braking systems in high-performance cars may be helpful – you can find more on this topic in the article Audi RS vs other models – what is hidden under the hood and chassis?.

If you want to reduce the vehicle's downtime in the workshop and are considering using used OEM components, it is worth reading the guide on the impact of parts availability on repair time: how used OEM parts available off-the-shelf can speed up vehicle service.