F12 / F13 650i xDrive

higher RPM capability

Uni-belt drive system with additional ESS lifetime billet idlers

11347553775

They are designed to replace BMW part #11240618006

BMW S85 Block Sleeving Service X6 E71 F12 / F13 650i xDriveBMW S85 Block Sleeving Service: Power and Reliability TOGETHER!! If your engine block has experienced scoring or damage due to failed pistons, traditional repairs may fall short. Our sleeving service offers a comprehensive solution that goes beyond superficial fixes. When other options are no longer viable, sleeving becomes the only avenue to restore and enhance your engine's integrity. Our Engine Block Sleeving Service encompasses a comprehensive