I need to replace my right rear caliper soon, so i am looking at potential upgrade options. I have a late 2006 with the JCW brake package. Since I’m only replacing the rear brakes right now, would the R56 JCW rear calipers and rotors shift the brake bias to the rear too much? Am I better off just looking for regular R56 rear calipers? I put new MINI rear rotors and pads on about 3000 miles ago, and I might have a lead on some used R56 calipers and brackets, The JCW parts would have to be purchased new, unless somebody has a pair for sale.