The EBC 2011-2016 BMW Z4 3.0L Twin Turbo iS (E89) USR Slotted Front Rotors are designed to provide superior braking performance and enhanced durability. These rotors feature a unique slot pattern that helps to reduce heat build-up and dissipate it more quickly, while also providing increased bite and stopping power. The rotors are made from high-grade iron for superior strength and are coated with a corrosion-resistant finish to ensure long-term performance. They are designed to fit perfectly with the 2011-2016 BMW Z4 3.0L Twin Turbo iS (E89) models, and come with all necessary hardware for a straightforward installation.