Elring 386.340 Vacuum Pump Gasket

Elring Vacuum Pump Gasket for BMW Cylinder Head Covers

Elring part number 386.340 is a vacuum pump gasket made from ACM (polyacrylate) for BMW cylinder head cover applications. With an inner diameter of 60 mm, outer diameter of 74 mm, and 11.5 mm thickness, it is built to match the sealing dimensions used on a wide range of BMW engines.

Use this gasket when servicing the vacuum pump area on BMW 220i, 228i, 320i, 420i, X3, and related models that call for the specified seal dimensions. Elring 386.340 is also cross-referenced to OE number 11 12 7 507 217 for the same application.

Key Features

• Elring vacuum pump gasket, part number 386.340
• ACM (polyacrylate) sealing material for engine service applications
• Inner diameter: 60 mm
• Outer diameter: 74 mm
• Thickness: 11.5 mm
• Used at the cylinder head cover on listed BMW applications
• Cross-reference: 11 12 7 507 217

Detailed Description

This Elring gasket is specified for BMW vacuum pump sealing points where the cylinder head cover interface requires a 60 mm inner diameter and 74 mm outer diameter seal. It supports service work on many BMW 2 Series, 3 Series, 4 Series, 5 Series, X3, X4, X5, and Z4 applications across model years 2012 through 2021, including BMW 220i, 228i, 320i, 420i, and X3 listings. If you are replacing a leaking vacuum pump gasket on a BMW cylinder head cover, 386.340 provides the dimensional match needed for the listed engines.

Compatible With BMW 320i, BMW 228i xDrive, and BMW X3 applications where the OE reference and seal dimensions match the catalog listing. Elring 386.340 is a direct-fit sealing component for the specified BMW engine service use.

What It Helps Address

• Oil seepage at the vacuum pump sealing surface
• Loss of sealing integrity at the cylinder head cover interface
• Maintenance replacement during vacuum pump service
• Leak repair on BMW engines using the listed gasket dimensions
• Restoration of a proper seal after gasket wear or compression

Installation Notes and Tips

Confirm the inner diameter, outer diameter, and thickness against the removed gasket before installation. Clean the mating surfaces thoroughly and inspect the vacuum pump and cylinder head cover for damage, warpage, or residue that could affect sealing. Verify the vehicle’s OE number and engine configuration against the fitment list before ordering. Fits 2012-2021 BMW 220i, 228i, 320i, 420i, X3, X4, X5, Z4, and related listed models only where the catalog notes match.

Quality Assurance

Elring is a recognized sealing-system manufacturer with OE-referenced applications in engine service. Part number 386.340 is cataloged for the listed BMW fitments and dimensional specifications.