EBC GD1155 02-04 BMW X5 4.6 GD Sport Front RotorsEBC GD1155 02 04 BMW X5 4. 6 GD Sport Front Rotors Product Information EBC Sport Rotors feature wide aperture slots that draw cool air into the braking contact area and reduce temperatures preventing brake fade. Dimple drilling avoids stress cracks and the anodized EBC finish provides a great look while preventing corrosion. EBC Sport Rotors now feature reduced 3 slots venting which provides slightly less air noise under heavy braking while still