
The Cometic MLS head gasket for BMW M20B25/M20B27 (85mm bore, .040" compressed thickness) uses multiple embossed stainless-steel layers with Viton-coated outer faces to provide durable sealing without additional sealants. Its uncoated stainless shim layer accommodates thickness requirements, while the embossed outer layers rebound and resist corrosion, making this MLS gasket suitable for aluminum-to-aluminum or aluminum-to-iron assemblies in high-output engines.
Cometic BMW M20 2.5L/2.7L 85mm .040 inch MLS Head Gasket 325i/525i