BMW Mini Cooper R55 R56 R57 ABS DSC Hydro Braking Unit Pump 6785944

BMW Mini Cooper R55 R56 R57 ABS DSC Hydro Braking Unit Pump is an original stability control and braking system component designed for Mini R-series models. The integrated ABS/DSC module is responsible for precise control of pressure in the brake circuits, improving safety in emergency situations. This is an OEM solution that allows for the restoration of factory-standard performance for braking assistance and traction control systems.

Specifications and technical data

• SKU: 6785944
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 6785944
• Substitutable numbers: 34516798847, 6798847, 34506785178 34516792557 34516785910 34506786226, 6785178 6792557 6785910 6786226, 34516790383 34506786223 34516793234, 6790383 6786223 6793234, 6785944
• Category: Other Brake Parts

Purpose and function of the ABS/DSC system in Mini

The described ABS/DSC pump is a hydraulic-electronic component that works in conjunction with wheel speed sensors, the body control module, and the braking system. During braking on slippery surfaces, it controls the pressure in the lines, limiting wheel lock-up and loss of traction. In DSC mode, it additionally supports vehicle stability during sudden maneuvers by correcting the distribution of braking force between the wheels.

By using an original module, compatibility with the factory calibration of Mini safety systems is maintained, which is important for both braking efficiency and the proper operation of warning lights and onboard diagnostics.

Module construction and technical aspects

The ABS/DSC pump in this version combines a hydraulic block with control valves and an electronic control unit responsible for the system's logic in a single housing. This design:

• ensures a fast response time to changes in traction,
• facilitates integration with the vehicle's electrical system,
• reduces the number of hydraulic connections in the braking system.

The component is factory-matched to the characteristics of the Mini R-series braking system, which translates into predictable vehicle behavior in emergency situations. Using an original pump helps avoid issues with software compatibility and errors in the ABS/DSC system.

Condition, selection, and installation

The product is located in the Other category, meaning it is a specialized braking and stability control component, not a typical wear-and-tear part. The item is offered as used, which provides a cost-effective solution while maintaining the manufacturer's original specifications.

Before installation, it is recommended to:

• verify compatibility with the OEM part number and interchangeable numbers (information available in the technical specifications),
• check the electrical installation and connectors for any potential damage,
• properly bleed the braking system after installing the pump.

Due to the importance of the ABS/DSC module for driving safety, installation should ideally be entrusted to a workshop with experience in servicing Mini models.

Benefits of using an original ABS/DSC pump

Using an original ABS/DSC pump in a Mini R-series brings a number of practical benefits:

• Restoration of full ABS and DSC functionality – elimination of errors related to improper operation of the braking and traction control system.
• Compatibility with factory electronics – proper cooperation with the control unit, sensors, and the vehicle's diagnostic system.
• Stable vehicle behavior – predictable car response during emergency braking and dynamic driving.
• Reduction of the risk of recurring repairs resulting from the use of unsuitable replacements.

Additional information and related content

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

When selecting used braking system components and electronic control modules, it is worth relying on proven sources and knowledge about the most frequently chosen solutions – our parts market guide, available in the article The best used car parts – a guide to the most frequently chosen original parts, may be helpful.

For a comparison of the characteristics of advanced braking and stability control systems in high-performance cars, you can also familiarize yourself with the analysis of differences in sports models, described in the article Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of the role of modules such as the ABS/DSC pump in modern vehicles.