Mahle 54814 Engine Cylinder Head Gasket

Mahle Cylinder Head Gasket for BMW V8 Engines

The Mahle 54814 engine cylinder head gasket is an OEM-standard sealing solution built with multi-layered steel construction for dependable combustion sealing. It is listed for select BMW 550i, 650i, 750i, 750Li, and X5 applications, making it a direct-fit choice for BMW engine repair work that requires precise head-to-block sealing.

• Multi-layered steel cylinder head gasket material
• OEM standard item grade for factory-style service replacement
• 0.91 mm thickness / 0.04 in thickness specification
• 93.60 mm cylinder bore diameter
• No gasket sealant included
• Fits 2006-2010 BMW 550i, N/A; 1.05mm Thickness; Cylinder Head Bolt Replacement Recommended; Multi-Layered Steel
• Fits 2006-2010 BMW 650i, N/A; 1.05mm Thickness; Cylinder Head Bolt Replacement Recommended; Multi-Layered Steel
• Fits 2004-2010 BMW X5, N/A; 1.05mm Thickness; Cylinder Head Bolt Replacement Recommended; Multi-Layered Steel
• Fits 2006-2008 BMW 750i, N/A; 1.05mm Thickness; Cylinder Head Bolt Replacement Recommended; Multi-Layered Steel
• Fits 2006-2008 BMW 750Li, N/A; 1.05mm Thickness; Cylinder Head Bolt Replacement Recommended; Multi-Layered Steel

Mahle 54814 is engineered for BMW engines that need a stable sealing surface between the cylinder head and engine block. The multi-layered steel design supports consistent compression sealing under heat and pressure, while the OEM-standard construction aligns with factory service expectations. This part cross-references BMW 11 12 7 530 257 for the same application.

Common Repair Applications

• Head gasket failure causing combustion leakage
• Coolant loss from a compromised cylinder head seal
• Oil and coolant mixing at the head-to-block interface
• Compression loss affecting engine performance
• Overheating-related sealing damage during BMW engine repair

Installation Notes

Confirm engine code, bore size, and gasket thickness before installation. The fitment notes specify cylinder head bolt replacement is recommended, and the sealing surfaces should be cleaned and inspected for warpage before assembly. Use the listed BMW application data for 2004-2010 X5 and 2006-2010 550i, 650i, 750i, and 750Li coverage.

Quality Assurance

Mahle supplies sealing products used by OEMs and technicians worldwide, and this gasket is built to OEM-standard expectations for service replacement. The Mahle 54814 cylinder head gasket is manufactured for precise fitment and reliable sealing performance in the listed BMW applications.