Genuine 11427558936 Turbocharger Coolant Line O-Ring

Turbocharger Coolant Line O-Ring for BMW

This Genuine turbocharger coolant line O-ring seals the coolant connection at the turbocharger to help maintain proper cooling-system integrity. It is a direct-fit sealing component for select BMW turbocharged applications, including BMW M3, BMW M4, BMW Z4, 335i, 535i, 740i, and X6 models.

• Genuine OEM-style turbocharger coolant line O-ring
• Part number 11427558936
• 11.2 x 2 mm sealing size noted in fitment
• Used at the turbocharger coolant line connection
• Fits select BMW turbocharged gasoline applications

Compatible BMW Fitment

• Fits 2015-2017 BMW M3, N/A
• Fits 2015-2017 BMW M4, N/A
• Fits 2009-2016 BMW Z4, N/A
• Fits 2011-2013 BMW 335is, N/A
• Fits 2011-2012 BMW 740i, N/A
• Fits 2011-2012 BMW 740Li, N/A
• Fits 2011 BMW 1 Series M, N/A
• Fits 2008-2010 BMW 135i, N/A
• Fits 2007-2010 BMW 335i, N/A
• Fits 2009-2010 BMW 335i xDrive, N/A
• Fits 2008-2010 BMW 535i, N/A
• Fits 2009-2010 BMW 535i xDrive, N/A
• Fits 2008-2010 BMW X6, N/A
• Fits 2007-2008 BMW 335xi, N/A

What This Seal Helps Address

• Coolant seepage at the turbocharger line connection
• Loss of sealing after service or disassembly
• Drips or residue around the turbo coolant fitting
• Maintenance replacement for a worn O-ring on BMW turbo systems

Installation Notes and Tips

Confirm the 11.2 x 2 mm size before installation and inspect the mating surfaces for damage, debris, or old seal material. Clean the connection point thoroughly so the O-ring seats evenly, and follow BMW service procedures for the turbocharger coolant line.

Quality Assurance

Genuine part number 11427558936 is an OEM-style sealing component for the listed BMW applications. This part cross-references BMW applications using the same seal specification for the same turbocharger coolant line use.