Supplied as a pair to replace all vented brake disc on the front axle.This Brembo Vented Brake Disc fits BMW Z4 (E85) 2.5 i built after 1st March 2003 and before 31st December 2005.Extended Technical Data Dia Mm: 286Part Dims Mm: Disc Thickness: 22Part Notes: Finish: High-Carbon, (+) Screws, Tightening Torque NM: 10, Hole No: 5Dims Mm: Ht: 51.6, Centering Dia: 79BHP: 192Formulated by Brembo matullurgists with their unique high carbon content these discs reduce braking noise and vibrations compared to normal discs.These vented discs will provide enhanced cooling via Brembo"s innovative pillar venting technology. This makes these discs up to 40% more resistant to thermal cracking under heavy braking.Ideal for people who own sports cars or those with a "heavy right foot" driving style, Brembo PVT discs are far less prone to brake fade under heat stress than standard discs.