[jdr78569]

Im sure this has been beaten dead, but I cant find it.

Im looking to upgrade my F31 328d brakes, I like the blue but only comes in M-Sport. The gold is nice as well. From what I read the sport have 4 piston front and 2 rear and it looks like the Performance have the same 4/2. Only difference is the rotors 340/370. I keep finding M-sport calipers (with out rotors) for 900-1000 (shipped and used). So as much as I like the blue calipers its looking like its better to buy NEW M-Performance bake kit and no worry about usage or anything. Question is, with installing both kits are there any thing else that are need to be done. i.e new brake lines, programming, etc.. from what i read m-sport is just bolt and go but haven't found anything about m-Performance .