Tech Notes:

2003-2005     E60/E61     525i

This Cometic MLS Head Gasket is designed to replace BMW part numbers 11121722734

this BMW M20B25 piston set features:

Cometic Multi-layer Steel Head Gasket, BMW M20 Bore Size - Thickness:85 mm - 0.070" Tech Notes:This Cometic MLS Head Gasket is designed to replace BMW part numbers 11121722734, 11121722735, 11121722737, and 11121722738, specifically for the M20B20, M20B23, M20B25, and M20B27 engines. Cometic MLS Gaskets are composed of multiple layers of stainless steel, the number of layers used varying by application. These layers consist of both proprietary, high temperature coated and uncoated stainless steel. Additional layers increase active seal height