The EBC 04-06 BMW X3 2.5 (E83) GD Sport Front Rotors are a high-performance, direct-fit replacement for the original front brake rotors on 2004-2006 BMW X3 2.5 (E83) models. These rotors are made with a special heat-treated alloy for increased strength and durability, and feature a unique slotted and dimpled design for improved braking performance. They are designed to reduce brake fade and increase stopping power, and are ideal for high-performance street and track applications.