Direct-fit rear big brake kit for BMW F87 M2, F80 M3 and F82/F83 M4. Uses Paragon’s hard-anodised PA025 4-piston calipers and fully floating 2-piece rotors with 48 directional vanes - proven to run up to 30% cooler than OE.
Retains factory ABS, master cylinder and hub mounting - no modifications needed
Includes calipers, hats, rotors, pads and all hardware - ready to bolt on
Optimised piston sizing maintains correct front-rear bias, whether used solo or with a front BBK
Eliminates mechanical handbrake function - parking brake is disabled
Ideal for fast road or track day use; not an OEM replacement
