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Hydraulic/Electronic Control Unit

All versions of MINI are equipped with Teves Mk 60 ABS as standard, which includes the following:

The ABS Control Unit is mounted in the plenum chamber on the opposite side of the vehicle to the master cylinder. The aluminum body of the unit contains the hydraulic valves that control hydraulic pressure to the individual brake lines.

Fig 1: ABS Hydraulic/Electronic Unit
G04725167Courtesy of BMW OF NORTH AMERICA, INC.
Fig 2: Identifying ABS Mk60 Circuit Diagram
G04725168Courtesy of BMW OF NORTH AMERICA, INC.

The purpose of the switched orifices in the inlet valves to the front brakes is to allow a greater volume of fluid to reach the pistons during initial application. When the pad to disc clearances have been eliminated and the required volume of fluid transfer is reduced, the orifices are closed and fluid finds its way through a more restricted path in the inlet valves.