Rear Caliper Piston adapter tool. When changing rear pads on the MINI, the rear caliper piston needs to be rotated as you compress to make room for the new pads. This is the special adapter that fits onto the rear caliper piston that allows you to turn as you compress.
2002-2006 R50 MINI Cooper and R53 Cooper S Hatchback
2005-2008 R52 MINI Cooper and Cooper S Convertible
Requires a generic rear caliper piston compression tool.