The Cometic MLS head gasket for the BMW S54 is a multi-layer steel gasket for engine builders who want a stronger, more durable head seal than the standard gasket. It is made for the S54 straight-six in the E46 M3.

Key features

• Multi-layer steel (MLS) construction with embossed outer layers and an active combustion seal on multiple layers.
• Built for high cylinder pressures, with stronger sealing than a standard factory gasket.
• Multiple thicknesses available, so you can set your compression ratio and piston-to-head clearance.
• Cometic quality, a trusted name for performance and race engine gaskets.

Fitment

Fits the BMW S54B32 engine in the E46 M3, late Z3 M and Z4 M. Rated for up to an 87.5mm bore.

Choosing your thickness

Choose your gasket thickness from the Thickness drop-down above. Thickness changes compression ratio and piston-to-head clearance, so check it against your engine build before ordering.

Not sure which thickness or gasket you need? Call us on 07441 111 046 or email sales@msmotorsport.uk and we will help.

About Cometic MLS gaskets

Cometic MLS (multi-layer steel) head gaskets use embossed outer layers and an active combustion seal on multiple layers, to cope with harsh sealing environments, high loads and a variety of surface finishes.