OCD Works BMW F10 S63TU head studs

OCD Works BMW F10 S63TU head studs are the only high-performance fastening solution for the BWM F10 S36TU platform. When pushing the S63TU to power levels that are double what the factory intended, many people contacted us for a solution for lifting cylinder heads and head gasket failures. From the factory, the S63TU cylinder heads are inefficiently designed for the large displacement bottom end, featuring poorly-flowing exhaust ports which create detrimentally-excessive cylinder pressure and temperature, as well as unwanted exhaust back pressure. The factory head bolts are quickly prone to stretch as they are note engineered with constant clamping force. In stock or near stock applications, this design and material oversight is inconsequential, but we recognized the need for a better product to ensure reliability at significantly increased power levels. Not only do we want a better product, but we want to understand why the factory components are not suited for the task. We closely