| Year | Make | Model |
|---|---|---|
| 1990 - 2000 | BMW | 3 Series (E36) |
| 1998 - 2007 | BMW | 3 Series (E46) |
| 1981 - 1988 | BMW | 5 Series (E28) |
| 1995 - 2003 | BMW | Z3 |
Cometic MLS 85mm Bore .140 inch Head Gasket | BMW 318 / Z3 (89-98) (C4348-140)
Cometic MLS 85mm Bore .140 inch Head Gasket | BMW 318 / Z3 (89-98) (C4348-140)
SKU:C4348-140
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The Cometic Gasket MLS Head Gasket is a high-performance multi-layer steel component designed for the BMW 318 and Z3 models from 1989 to 1998, featuring an 85mm bore and a compressed thickness of 0.140 inches. Constructed from multiple embossed layers of stainless steel with outer layers coated in Viton rubber, this gasket offers superior sealing capabilities for high-output engines. Its design ensures maximum durability and resistance to shearing forces between aluminum heads and blocks or cast iron blocks, eliminating the need for sealants. The gasket's robust construction enhances engine reliability under demanding conditions, making it suitable for both stock and modified applications.
This head gasket is specifically engineered for BMW models equipped with M42 and M44 engines within the 1989–1998 range. It provides a direct replacement for OEM gaskets, ensuring a proper fit and seal. Ideal for performance upgrades, rebuilds, or high-performance street and track use, this gasket is compatible with aluminum and cast iron engine components. Installation is straightforward as a bolt-on component, and it includes all necessary features to restore or improve sealing performance in high-performance or modified engines.
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Overview
Overview
Cometic Gasket
Fits BMW 318 and Z3 1989–1998 with 85mm Bore
Part #: C4348-140
Overview
The Cometic MLS (Multi-Layer Steel) Head Gasket for BMW 318 and Z3 models from 1989 to 1998 is engineered to deliver superior sealing performance for high-output engines. Crafted with multiple embossed layers of stainless steel, this gasket features outer layers coated with Viton rubber, ensuring durability and resistance to extreme conditions. Designed for engines with an 85mm bore, it provides a reliable seal between the cylinder head and engine block, helping to prevent leaks and maintain optimal compression. This gasket is ideal for enthusiasts and professionals seeking a high-quality replacement that supports engine integrity under demanding conditions.Key Features
This MLS head gasket combines advanced materials and thoughtful design to enhance engine sealing and longevity. Key features include:- Constructed from multiple embossed stainless steel layers for strength and durability
- Outer layers coated with Viton rubber for excellent sealing and chemical resistance
- Compressed thickness of 0.140 inches to support high-performance applications
- Designed to withstand shearing forces between aluminum and cast iron components
- Suitable for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks
- No sealants required, simplifying installation and reducing mess
- Engineered to maintain consistent compression and prevent head gasket failure
Construction & Design
This gasket’s multilayer steel construction ensures maximum strength and resilience. The embossed layers are precisely manufactured to provide a uniform seal, while the Viton rubber coating enhances sealing integrity and chemical resistance, making it suitable for high-performance and high-temperature environments.Installation & Fitment
Designed specifically for BMW 318 and Z3 models from 1989 to 1998 with an 85mm bore, this gasket offers a direct replacement for OEM parts. Proper installation requires standard engine service procedures, ensuring a secure fit that restores engine compression and prevents leaks.Ideal For
This gasket is perfect for engine rebuilds, high-performance upgrades, or replacing worn-out head gaskets on BMW 318 and Z3 vehicles. It supports maintaining engine integrity under increased power demands and extended use.