Having the BMW Performance or MINI JCW 6-piston calipers is a huge cosmetic advantage with reliable stopping power - when they are working. No caliper is impervious to failure, and the BMW Performance 6-piston caliper has been known to suffer from cracked pistons when used extensively on the track.
Thankfully StopTech has come to the rescue. Instead of having to buy new calipers at a huge price StopTech has found the solution in stronger replacement pistons to keep you on the road and slowing down how you should.
This Part Fits the Following Vehicles