These are now updated on the ECS Tuning Website. The product numbers for the M Coupe and Roadster are DIFFERENT. Just an FYI. If anyone has these for the M Coupe or Roadster, please post a review. The following link is specifically for the M Coupe.
http://www.ecstuning.com/BMW-Z4-M_Co...on/Coil_Overs/