| Year | Make | Model |
|---|---|---|
| 1982 - 1994 | BMW | 3 Series (E30) |
| 1981 - 1988 | BMW | 5 Series (E28) |
| 1988 - 1997 | BMW | 5 Series (E34) |
| 1976 - 1990 | BMW | 6 Series (E24) |
| 1986 - 1991 | BMW | M3 |
| 1985 - 1988 | BMW | M5 I (E28) |
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Cometic Gasket BMW M20B25/M20B27 .066in MLS Cylinder Head Gasket | BMW (C4394-066)
Cometic Gasket BMW M20B25/M20B27 .066in MLS Cylinder Head Gasket | BMW (C4394-066)
SKU:C4394-066
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$230.88 USD
Regular price
$272.56 USD
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$230.88 USD
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▶ Vehicle Fitments
The Cometic Gasket BMW M20B25/M20B27 .066in MLS Cylinder Head Gasket is a high-performance sealing component designed for BMW engines. Constructed with three to five layers of stainless steel, this gasket offers enhanced strength, flexibility, and resistance to corrosion. The multilayer steel design ensures reliable sealing under high load and temperature conditions, while the embossed outer layers coated with Viton rubber provide additional durability and heat resistance up to 250°C (482°F). This gasket is engineered to meet the demands of both street and performance applications, delivering consistent compression and preventing leaks in demanding environments.
Specifically designed for BMW M20B25 and M20B27 engines with an 85mm bore, this MLS gasket serves as a direct replacement for stock components. It is suitable for engines requiring a .066 inch gasket thickness, ensuring proper compression and sealing integrity. The gasket is ideal for rebuilds, performance upgrades, or restoring engine reliability. Installation involves standard bolt-on procedures, and the kit includes the gasket itself. Compatible with a range of BMW models from the specified engine family, this gasket provides a durable, high-quality seal for both daily driving and performance tuning.
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Overview
Overview
Cometic Gasket
Fitment Summary
This gasket is designed for BMW M20B25 and M20B27 engines with an 85mm bore, suitable for applications requiring a .066 inch MLS cylinder head gasket.
Part #: C4394-066
Overview
The Cometic MLS cylinder head gasket is engineered to provide a reliable seal for high-performance and demanding engine rebuilds. Crafted specifically for BMW M20B25 and M20B27 engines, this gasket helps ensure optimal compression and prevents leaks under various operating conditions. Its multilayer stainless steel construction offers durability, resilience, and excellent sealing capabilities, making it ideal for enthusiasts and professionals seeking a high-quality replacement or upgrade.
This gasket is designed to withstand harsh environments, high temperatures, and surface imperfections, providing peace of mind during engine operation. Whether you're restoring a classic BMW or building a performance engine, this gasket supports your goals of durability, reliability, and consistent performance.
Key Features
The Cometic MLS gasket features advanced materials and thoughtful design to meet the demands of modern engines:
- Constructed from three to five layers of stainless steel for strength and flexibility
- Outer layers embossed and coated with Viton rubber for enhanced sealing and heat resistance
- Viton coating withstands temperatures up to 250°C (482°F), ensuring durability in high-heat environments
- Designed to accommodate surface irregularities and provide a consistent seal
- Corrosion-resistant materials extend gasket lifespan and maintain sealing integrity over time
- Precision manufacturing ensures a perfect fit for specified engine models
Construction & Design
The gasket’s multilayer stainless steel construction combines strength with flexibility, allowing it to rebound and maintain a tight seal even under thermal expansion and engine vibrations. The embossed outer layers and Viton rubber coating enhance sealing performance across a variety of harsh conditions, making it a robust choice for high-performance applications.
Installation & Fitment
Designed specifically for BMW M20B25 and M20B27 engines with an 85mm bore, this gasket replaces OEM parts and is intended for straightforward installation during engine rebuilds or head gasket replacements. Proper surface preparation and torque procedures are recommended to ensure optimal sealing and longevity.
What’s Included
The package includes one MLS cylinder head gasket designed to meet or exceed OEM specifications for durability and performance.
