Cometic BMW 135i/335i/X6/Z4 N54B30 85mm Bore .044in MLX Head Gasket

SKU: CGSC15257-044

Head Gaskets

CG Head Gaskets...

Cometic BMW 135i/335i/X6/Z4 N54B30 85mm Bore .044in MLX Head Gasket

Cometic Gasket

Cometic BMW 135i/335i/X6/Z4 N54B30 85mm Bore .044in MLX Head Gasket

SKU: CGSC15257-044

Head Gaskets

CG Head Gaskets...

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Description

MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing

Product Overview

COMETIC MLX (Multi-Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. No sealants or re-torque required.

Features and Benefits

Requires No Sealants Or Re-Torque

Product Details

Description:	BMW N54B30 Cylinder Head Gasket
Engine Make/Size:	BMW N54B30
Part Number:	cgsC15257-044
Position:	N/A
Prop 65 (C, R or CR):	CR
Prop 65 - Short Label:	Prop_65.jpg
Prop 65 Yes/No:	Yes
Title:	Cometic Gasket Automotive BMW N54B30 .044 in MLX Cylinder Head Gasket, 85mm Bore
WARNING CA Proposition 65 Message:	The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects. For more information; visit www.p65Warnings.ca.gov
WARNING CA Proposition 65:	Yes

Application Summary

BMW N54B30

Part Type

Engine Cylinder Head Gasket

Data: v4.2 - Upd: 2026-10-13 17:21:04

Features

Improved clamp load around the cylinder without increasing bore distortion
Requires No Sealants Or Re-Torque

Specifications

Product Attributes - UPC: 191070099831
Product Attributes - Brand: Cometic
Product Attributes - Quantity: Sold individually.
Product Attributes - Bore (mm): 85.000mm
Product Attributes - Lock Wire: No
Product Attributes - Part Type: Head Gaskets
Product Attributes - Bore (in.): 3.348 in.
Product Attributes - Product Line: Cometic MLX Head Gaskets
Product Attributes - Gasket Material: Multi-layer stainless steel
Product Attributes - Compressed Volume (cc): 6.348cc
Product Attributes - Compressed Thickness (in.): 0.044 in.
Product Attributes - Manufacturer's Part Number: C15257-044

Reference Information

Brand Name/s	Cometic Gasket
StreetFX SKU	cgsC15257-044
SFX Item ID	4159383
Supplier Item Code	4159383
Manufacturer SKU	C15257-044
Manufacturer UPC	191070099831
Alternative References	cgt-c15257-044, 135i/335i/X6/Z4, N54B30, 85mm, .044in