Cometic C15257-048 BMW MLS Cylinder Head Gasket Bore - N54B30 85mm

The Cometic C15257-048 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for the BMW N54B30 turbocharged inline-six engine. This precision gasket features an 85mm bore diameter and a compressed thickness of 0.048 inches, providing an optimal seal between the cylinder head and engine block.

Key Features:

• Multi-Layer Steel construction with multiple layers of stainless steel for superior strength and durability
• 0.048-inch compressed thickness allows for precise compression ratio tuning
• 85mm bore diameter designed specifically for N54B30 applications
• Advanced elastomer coating provides enhanced sealing properties and resistance to combustion gases
• Accommodates high cylinder pressures in turbocharged and high-performance applications
• Eliminates fretting and wear between head and block surfaces

Cometic's MLS gaskets are the preferred choice for performance and racing applications where reliability under extreme conditions is critical. The multi-layer design allows the gasket to adapt to minor surface imperfections while maintaining consistent clamping pressure across the entire sealing surface. Ideal for stock rebuilds, forced induction upgrades, and high-performance engine builds on BMW platforms featuring the N54B30 engine.