

Specifications
- Brand
- Cometic Gasket
- Part #
- C4394-045
- UPC
- 191070112318

Cometic Gasket BMW M20B25/M20B27 .045in MLS Cylinder Head Gasket - 85mm Bore
$234.76
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Cometic Gasket MLS head gasket for BMW M20B25/M20B27 engines. Features Viton coating and 0.045in thickness.
Key Features
- Fits BMW 325e, 325es, 325i, 325iX, 325is, 525i, and 528e models.
- Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
- Outer layers are embossed and coated with heat-resistant Viton rubber.
- Compressed operating thickness is 0.045 inches with an 85mm bore.
- Designed for high-output engines and suitable for aluminum-to-aluminum or aluminum-to-cast iron block configurations.
- Requires no additional sealants for installation.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
What you get here is a Cometic Multi-Layer Steel (MLS) cylinder head gasket specifically made for BMW M20B25 and M20B27 engines, featuring an 85mm bore and a compressed thickness of 0.045 inches. This gasket is built to handle the demands of high-output engines and is designed to provide a strong seal between your cylinder head and engine block without needing any additional sealants.
This gasket is constructed from multiple layers of stainless steel, which gives it increased strength and resistance to corrosion. The outer layers are embossed and coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482 degrees Fahrenheit. This makes it suitable for use with both aluminum heads and blocks, or aluminum heads and cast iron blocks, as it can manage the shearing forces that can occur between different metals. The center layer is also stainless steel, providing a solid foundation for the gasket's overall structure.
This Cometic gasket fits a range of BMW models, including the 325i, 325is, and 525i from the late 1980s and early 1990s. It's a well-built component designed for reliable sealing in performance applications.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C4394-045
- UPC
- 191070112318
Frequently Asked Questions
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Cometic Gasket BMW M20B25/M20B27 .045in MLS Cylinder Head Gasket - 85mm Bore


