Cometic BMW 2020+ S58B30T0 MLX Cylinder Head Gasket

This Cometic MLS MLX Cylinder Head Gasket is a high-performance sealing solution specifically engineered for the BMW S58B30T0 engine. Ideal for high-boost or racing applications, it offers superior reliability compared to standard gaskets.

Key Specifications

· Engine Compatibility: BMW S58B30T0 (3.0L Twin-Turbo I6).

· Bore Size: 85mm.

· Compressed Thickness Options: .036" (0.92mm) or .055" (1.40mm).

· Material: Multi-Layer Xtreme (MLX) Stainless Steel.

· Replacement Part Number: Replaces BMW OEM #11-12-8-088-729.

Performance Advantages

· Stopper Technology: Features a specialized "fold-over stopper" layer that provides a torque-limiting surface to prevent combustion seal yielding.

· Advanced Coating: Embossed outer layers are coated on both sides with Viton (a high-temperature fluoroelastomer), ensuring a micro-seal against fluids.

· Increased Seal Height: The multi-layer spring construction compensates for head lift during extreme cylinder pressures.

· Dry Installation: Designed to be installed dry; proprietary coatings eliminate the need for additional sealants or re-torquing.

 Fitment (2020–2025+)

· M2: G87

· M3: G80 / G81 (Base, Competition, xDrive)

· M4: G82 / G83 (Base, Competition, xDrive)

· X3 M / X4 M: F97 / F98

Important Information:

This product is intended for performance use and should be installed by a qualified professional.

It is the customer’s responsibility to ensure compatibility with their specific vehicle prior to purchase. If you are unsure, please contact us before ordering.

Gridline Custom Motorsports is not responsible for issues arising from incorrect installation, misuse, or improper product selection.

Due to the nature of performance parts, some items may be special order and subject to supplier availability and lead times.