BMW MINI Cooper ABS Pump DSC Hydro Braking Unit for R56 R55 R57 Genuine 6796698. Tested and is in 100% working condition. BMW MINI Part Number: 6796698. View pictures before purchasing. This is a genuine used BMW MINI. ABS Pump DSC Hydro Braking Unit for. Second generation MINI’s R55 R56 R57. This part is fully tested prior to removal from the donor vehicle and is in perfect working order. Please ensure that your part number matches your requirement before purchasing – Unsure? Please note the compatibility may not always be 100% correct it is for informational purposes only. Does not guarantee correct part fitments to your vehicle and may fit other models. View here for actual fittings.