• Cometic 85mm MLS Head Gasket | BMW 318/Z3 (89-98) (C4348-089)
  • Cometic 85mm MLS Head Gasket | BMW 318/Z3 (89-98) (C4348-089)
  • Cometic 85mm MLS Head Gasket | BMW 318/Z3 (89-98) (C4348-089)
  • Cometic 85mm MLS Head Gasket | BMW 318/Z3 (89-98) (C4348-089)
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Cometic 85mm MLS Head Gasket | BMW 318/Z3 (89-98) (C4348-089)

Cometic 85mm MLS Head Gasket | BMW 318/Z3 (89-98) (C4348-089)

C4348-089

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$186.45 USD
$220.11 USD $186.45 USD
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The Cometic MLS head gasket for BMW 318 and Z3 models from 1989 to 1998 is a high-performance sealing component designed for M42 and M44 engines. Constructed with three to five layers of stainless steel, this gasket offers exceptional strength, flexibility, and resistance to corrosion. The embossed outer layers are coated on both sides with Viton rubber, which provides excellent heat resistance up to 250°C (482°F) and ensures reliable sealing under demanding conditions. This gasket is engineered to withstand harsh environments, load variations, and surface finishes, making it a durable choice for both stock and performance applications. Its multilayer steel design enhances sealing integrity, reduces the risk of leaks, and contributes to optimal engine performance.

This gasket is a direct replacement for OEM head gaskets in compatible BMW 318 and Z3 models from 1989 to 1998, specifically for engines with 85mm bore sizes. It is suitable for street, track, and performance use, providing a reliable seal for high-performance or modified engines. Installation involves standard head gasket replacement procedures, and the kit includes the gasket itself. Designed for use in engines with M42 and M44 configurations, this gasket ensures proper fitment and sealing for a variety of applications, helping maintain engine integrity and performance over time.

Overview

Cometic Gasket

Fits 1989–1998 BMW 318 and Z3 with 85mm Bore

Part #: C4348-089

Overview

The Cometic MLS head gasket is a high-performance sealing solution designed specifically for BMW 318 and Z3 models from 1989 to 1998. Crafted with precision, this gasket features multiple layers of stainless steel, providing exceptional strength, durability, and resilience under demanding engine conditions. Its advanced construction ensures a reliable seal between the cylinder head and engine block, helping to prevent leaks and maintain optimal compression. Ideal for enthusiasts and professionals alike, this gasket supports engine longevity and consistent performance, especially in high-stress or modified applications. Whether you're rebuilding your engine or upgrading for enhanced reliability, this MLS gasket offers a robust sealing surface that withstands thermal expansion and surface irregularities. Its corrosion-resistant stainless steel layers and Viton rubber coating make it suitable for harsh environments, ensuring long-lasting performance and peace of mind during engine operation.

Key Features

This gasket combines innovative materials and thoughtful design to deliver superior sealing performance:
  • Constructed with three to five layers of stainless steel for strength and flexibility
  • Outer layers embossed and coated with Viton rubber for enhanced heat resistance and sealing integrity
  • Viton coating withstands temperatures up to 250°C (482°F), ensuring durability in high-heat conditions
  • Designed to accommodate surface irregularities and thermal expansion for a reliable seal
  • Corrosion-resistant materials extend gasket lifespan and maintain sealing performance over time
  • Precision manufacturing ensures consistent fit and sealing across compatible BMW models

Construction & Design

The gasket’s multilayer stainless steel construction provides a balance of strength, flexibility, and resilience. The embossed outer layers improve sealing contact, while the Viton rubber coating enhances heat resistance and prevents chemical degradation. This combination ensures the gasket maintains its integrity under extreme engine conditions, supporting reliable compression and preventing leaks.

Installation & Fitment

Proper installation is crucial for optimal performance. It is recommended to follow manufacturer torque specifications and installation procedures to ensure a perfect seal. This gasket is designed as a direct replacement for OEM parts on compatible BMW 318 and Z3 models with 85mm bore, facilitating straightforward installation during engine rebuilds or head gasket replacements.

What’s Included

The package includes one MLS head gasket tailored for BMW 318 and Z3 engines with an 85mm bore, ensuring a precise fit and reliable sealing performance.
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