Cometic C14121-036 MLX Head Gasket for 2016-2020 BMW 340i/440i/530i/540i/640i

Vehicle Fitment

• 2016-2020 BMW 340i (B58B30M0/B58B30M1, 3.0L I4, RWD)
• 2017-2020 BMW 440i (B58B30M0/B58B30M1, 3.0L I4, RWD/AWD)
• 2017-2019 BMW 530i (B58B30M0/B58B30M1, 3.0L I4, RWD/AWD)
• 2017-2019 BMW 540i (B58B30M0/B58B30M1, 3.0L I4, RWD/AWD)
• 2016-2017 BMW 640i (B58B30M0/B58B30M1, 3.0L I4, RWD/AWD)
• 2016-2019 BMW 740i (B58B30M0/B58B30M1, 3.0L I4, RWD/AWD)
• 2017-2020 BMW M240i (B58B30M0/B58B30M1, 3.0L I4, RWD/AWD)
• 2018-2019 BMW X3 M40i (B58B30M0/B58B30M1, 3.0L I4, AWD)
• 2019 BMW X4 M40i (B58B30M0/B58B30M1, 3.0L I4, AWD)

Fitment Notes

• Compatible with B58B30M0 and B58B30M1 engine variants only.
• Not compatible with B58B30O1 or B58B30O2 engine variants.
• Designed for both RWD and AWD configurations.
• Not suitable for FWD vehicles.

Features

• Material: Multi-Layer Steel (MLS) for enhanced sealing performance.
• Compressed Thickness: 0.036 inches (0.914 mm) for optimal combustion chamber sealing.
• Bore Size: 83 mm, matching OEM specifications for precise fitment.
• Number of Layers: 4, providing superior durability and resistance to combustion pressures.
• Embossed layers create a micro-seal, preventing fluid leaks between the head and block surfaces.
• High-temperature polymer coating enhances fluid sealing and gasket longevity.
• Manufactured to order, ensuring fresh production and quality control.
• Ideal for performance applications requiring increased cylinder pressure tolerance.

Specifications

• Material: Multi-Layer Steel (MLS)
• Compressed Thickness: 0.036 inches (0.914 mm)
• Bore Size: 83 mm
• Number of Layers: 4
• Orientation: Symmetrical (no top or bottom orientation required)
• Position: Cylinder head gasket (upper engine assembly)

Included Components

• 1x Cometic C14121-036 MLS Cylinder Head Gasket

Product Description

The Cometic C14121-036 MLS Cylinder Head Gasket is engineered for high-performance applications in the BMW B58B30M0 and B58B30M1 engines found in various 3 Series, 4 Series, 5 Series, 6 Series, 7 Series, M240i, X3, and X4 models. With a compressed thickness of 0.036 inches and an 83 mm bore size, this gasket ensures a precise fit and optimal sealing under high-pressure conditions. The four-layer MLS construction offers superior durability and resistance to combustion pressures, making it ideal for both street and track use.

Designed to withstand the rigors of performance driving, the MLS material incorporates a high-temperature polymer coating and embossed layers that create a micro-seal, preventing fluid leaks between the cylinder head and engine block. This gasket is manufactured to order, ensuring fresh production and quality control. Please note that this gasket is not compatible with B58B30O1 or B58B30O2 engine variants and is designed for RWD and AWD configurations only.