The PowerStop Autospecialty rear rotor for BMW Z4 (2003–2005) is a direct-replacement rotor manufactured to strict tolerances for DTV and runout to promote smooth, quiet performance. A cross-hatched friction surface assists pad break-in and the rotor is 100% dynamically mill-balanced for consistent operation. This bolt-on part matches original weight and vane count so no modifications are required.
Power Stop 03-05 BMW Z4 Rear Autospecialty Brake Rotor