GLX-68 is a versatile flex disc suitable for various BMW models, including the 3 Series, 5 Series, 6 Series, 7 Series, 8 Series, M5, M535, M635, and Z1. It features a bolt circle diameter of 50mm with four bolt holes, each measuring 8.32mm in diameter. The disc width is 13mm, and it is classified as light duty (LD). Manufactured by SGF, the GLX-68 is designed to effectively absorb vibrations within the drivetrain, enhancing overall driving comfort and performance.