The GiroDisc front dust boot is a purpose‑made caliper dust cover for BMW F8X M models, providing protection for the brake assembly and preserving pad and caliper seal life. It is sized for 380mm rotors and intended for 2014–2020 BMW M2, M3, and M4 models with blue calipers, matching the original rotor clearance and mounting points for a direct replacement fit.
GiroDisc 14-20 BMW M2/M3/M4 (F8X w/Blue Calipers) 380mm Front Dust Boot