Cometic BMW M50/M52 85mm .080 MLS Head Gasket — Fits 1990-2000 BMW 323/325/328/525/528

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SKU: CGSC4328-080
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Watch in action

Ultimate Sealing for BMW M50 and M52 Engines

When building a high-performance BMW engine, the head gasket is the most critical component for maintaining cylinder pressure. This Cometic .080 inch MLS (Multi-Layer Steel) Head Gasket is engineered specifically for 85mm bore M50B25 and M52B28 engines, providing a robust solution for forced induction or high-compression naturally aspirated setups.

Key Features and Benefits

  • Multi-Layer Steel Construction: Comprised of multiple layers of stainless steel to provide superior strength and rebound characteristics.
  • Viton Coating: Outer layers are embossed and coated with high-temperature Viton rubber, ensuring a perfect seal even under extreme thermal cycling.
  • No Sealant Required: Designed for a direct fit, eliminating the need for additional chemical sealants during installation.
  • Thermal Resilience: Withstands temperatures up to 250°C (482°F), making it ideal for track-day abuse and high-boost applications.
  • Material Compatibility: Perfectly handles the expansion and contraction differences between aluminum heads and iron or aluminum blocks.

Whether you are refreshing a daily driver or building a dedicated track machine, this gasket offers the durability required to prevent common head gasket failures. Its precision design ensures that your combustion chamber remains sealed under the most demanding conditions. Trust your engine build to the industry-leading quality of Cometic, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
1991-1995 BMW 325i Base
1991 BMW 325iX Base
1991-1995 BMW 325is Base
1996-1999 BMW 328i Base
1996-1999 BMW 328is Base
1990-1995 BMW 525i Base
1993 BMW 525iT Base
1997-2000 BMW 528i Base
1997-1999 BMW Z3 Roadster
1998-1999 BMW Z3 M Roadster
1999-2000 BMW Z3 M Coupe

Product Details

Product Description
Part Numbers
Sizing & Fit

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Watch in action

Ultimate Sealing for BMW M50 and M52 Engines

When building a high-performance BMW engine, the head gasket is the most critical component for maintaining cylinder pressure. This Cometic .080 inch MLS (Multi-Layer Steel) Head Gasket is engineered specifically for 85mm bore M50B25 and M52B28 engines, providing a robust solution for forced induction or high-compression naturally aspirated setups.

Key Features and Benefits

  • Multi-Layer Steel Construction: Comprised of multiple layers of stainless steel to provide superior strength and rebound characteristics.
  • Viton Coating: Outer layers are embossed and coated with high-temperature Viton rubber, ensuring a perfect seal even under extreme thermal cycling.
  • No Sealant Required: Designed for a direct fit, eliminating the need for additional chemical sealants during installation.
  • Thermal Resilience: Withstands temperatures up to 250°C (482°F), making it ideal for track-day abuse and high-boost applications.
  • Material Compatibility: Perfectly handles the expansion and contraction differences between aluminum heads and iron or aluminum blocks.

Whether you are refreshing a daily driver or building a dedicated track machine, this gasket offers the durability required to prevent common head gasket failures. Its precision design ensures that your combustion chamber remains sealed under the most demanding conditions. Trust your engine build to the industry-leading quality of Cometic, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
1991-1995 BMW 325i Base
1991 BMW 325iX Base
1991-1995 BMW 325is Base
1996-1999 BMW 328i Base
1996-1999 BMW 328is Base
1990-1995 BMW 525i Base
1993 BMW 525iT Base
1997-2000 BMW 528i Base
1997-1999 BMW Z3 Roadster
1998-1999 BMW Z3 M Roadster
1999-2000 BMW Z3 M Coupe

Product Details

Product Description

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Watch in action

Ultimate Sealing for BMW M50 and M52 Engines

When building a high-performance BMW engine, the head gasket is the most critical component for maintaining cylinder pressure. This Cometic .080 inch MLS (Multi-Layer Steel) Head Gasket is engineered specifically for 85mm bore M50B25 and M52B28 engines, providing a robust solution for forced induction or high-compression naturally aspirated setups.

Key Features and Benefits

  • Multi-Layer Steel Construction: Comprised of multiple layers of stainless steel to provide superior strength and rebound characteristics.
  • Viton Coating: Outer layers are embossed and coated with high-temperature Viton rubber, ensuring a perfect seal even under extreme thermal cycling.
  • No Sealant Required: Designed for a direct fit, eliminating the need for additional chemical sealants during installation.
  • Thermal Resilience: Withstands temperatures up to 250°C (482°F), making it ideal for track-day abuse and high-boost applications.
  • Material Compatibility: Perfectly handles the expansion and contraction differences between aluminum heads and iron or aluminum blocks.

Whether you are refreshing a daily driver or building a dedicated track machine, this gasket offers the durability required to prevent common head gasket failures. Its precision design ensures that your combustion chamber remains sealed under the most demanding conditions. Trust your engine build to the industry-leading quality of Cometic, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1998-2000 BMW 323i Base
1998-1999 BMW 323is Base
1991-1995 BMW 325i Base
1991 BMW 325iX Base
1991-1995 BMW 325is Base
1996-1999 BMW 328i Base
1996-1999 BMW 328is Base
1990-1995 BMW 525i Base
1993 BMW 525iT Base
1997-2000 BMW 528i Base
1997-1999 BMW Z3 Roadster
1998-1999 BMW Z3 M Roadster
1999-2000 BMW Z3 M Coupe

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