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The Cometic MLX head gasket fits BMW N54B30 applications such as 135i, 335i, X6 and Z4 models with an 85mm bore and .044in thickness. MLX construction uses an integrated stopper layer to improve combustion chamber sealing and allow increased clamp load locally without raising bore distortion. The gasket requires no sealants or re-torque for proper sealing.
Cometic BMW 135i/335i/X6/Z4 N54B30 85mm Bore .044in MLX Head Gasket
