Cometic BMW M50B25 / M52B28 85mm Bore .067in MLX Head GasketCOMETIC MLX (Multi Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. No sealants or re torque required. This Part Fits: Year Make Model Submodel 2000 BMW 323Ci Base 1998 2000 BMW 323i Base 1998 1999 BMW 323is Base 1991 1995