Cometic C4617-052 MLS Cylinder Head Gasket Bore BMW Engines - 78mm N14/N18

The Cometic C4617-052 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for BMW N14 and N18 turbocharged engines. This high-performance gasket features a 78mm bore diameter and .052" compressed thickness, making it ideal for stock and modified applications requiring reliable head sealing.

Key Features:

• Multi-Layer Steel (MLS) construction with multiple layers of stainless steel for superior sealing and durability
• 78mm bore diameter engineered for BMW N14B16A, N14B16C, N18B16A, and N18B16C engines
• .052" (1.32mm) compressed thickness for precise compression ratio control
• Proprietary coating ensures optimal micro-sealing around combustion chambers and fluid passages
• Withstands extreme cylinder pressures and temperatures in turbocharged applications
• Eliminates the need for additional sealants when installed per manufacturer specifications

Cometic MLS gaskets are the choice of professional engine builders and performance enthusiasts worldwide. The multi-layer design allows the gasket to adapt to minor surface imperfections while maintaining excellent recovery properties under thermal cycling. This gasket is compatible with BMW Cooper S and turbocharged MINI models equipped with the specified N14 and N18 engine variants.