Cometic Gasket

Fits 1996–1999 BMW M3 and 1998–2000 BMW Z3 with 87mm bore engines

Part #: C4329-030

Overview

The Cometic MLS Cylinder Head Gasket is engineered to provide a reliable seal for high-performance BMW engines. Crafted with multiple layers of stainless steel, this gasket is designed to withstand the demanding conditions of spirited driving and engine tuning. It is ideal for enthusiasts and professionals seeking a durable, high-quality replacement that maintains optimal compression and prevents leaks under extreme conditions. The gasket’s construction ensures a precise fit, supporting engine longevity and consistent performance. Whether you're rebuilding or upgrading your BMW’s engine, this MLS gasket offers a significant upgrade over traditional paper or composite options. Its robust materials and advanced design help maintain proper sealing pressure, reducing the risk of head gasket failure and ensuring your engine runs smoothly and efficiently.

Key Features

This gasket features a multi-layer stainless steel design for enhanced strength and resilience. The embossed outer layers provide a precise seal, while the Viton rubber coating on both sides offers excellent heat resistance and chemical stability. Designed to meet the demands of high-performance applications, it helps maintain consistent compression and prevents coolant or oil leaks. The gasket’s construction supports thermal expansion and contraction, ensuring reliable sealing across a wide temperature range.

Construction & Design

The MLS gasket is composed of three to five layers of stainless steel, each embossed for improved sealing performance. The outer layers are coated with Viton rubber, which is heat resistant up to 250°C (482°F), providing excellent durability in harsh engine environments. This layered construction ensures the gasket can rebound and maintain its shape under load, resisting corrosion and surface wear for long-lasting performance.

Installation & Fitment

Designed specifically for 96-99 BMW M3 and 98-00 BMW Z3 models with 87mm bore engines, this gasket is a direct replacement for OEM parts. Proper installation requires standard engine rebuild procedures, including cleaning mating surfaces and torquing according to manufacturer specifications. Its precise dimensions facilitate a straightforward installation process, ensuring a secure and reliable seal.

Ideal For

Perfect for engine rebuilds, performance upgrades, or restoring your BMW’s engine to factory standards, this gasket helps ensure your vehicle maintains optimal compression and sealing integrity. It is suitable for enthusiasts who demand durability and high performance from their engine components.