Cometic BMW B58M30C/B58B30M0/B58B30M1 83mm Bore .036in MLX Head Gasket - C14121-036

The Cometic BMW B58M30C/B58B30M0/B58B30M1 83mm Bore .036in MLX Head Gasket - C14121-036 is a precision-engineered head gasket with a 83mm bore and .036" compressed thickness.

The Cometic MLX Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring MLX Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers for superior sealing under extreme cylinder pressures and temperatures. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.

• Material: MLX Multi-Layer Steel (MLS)
• Bore Size: 83mm
• Thickness: .036" compressed
• Part Number: C14121-036

Verified fitment: BMW X3 (2018–2019); BMW X4 (2019).