Piston Rings Kit Standard Bore 89mm for S63B44 4.4L V8 Engine Compatible with M5 M6 X5 X6 E70 F10

Package Includes: 8x Piston Ring Sets (Standard Size) OEM / Reference Numbers: 11257823262 11257823263 11257823264 Compatible Vehicles: F10 chassis 2011–2017 F06 F12 F13 chassis 2012–2018 E70 chassis 2009–2013 E71 chassis 2009–2014 Engine Application: S63B44 4.4L V8 Twin-Turbo Installation Information: This set is intended for an engine cylinder bore diameter of 89.00 mm (Standard Size).Installation requires removal of the cylinder head and oil pan to access the piston assemblies.Rings must be oriented according to manufacturer specifications for gap placement and taper/twist direction relative to the piston ring lands.Lubrication compatible with engine oil is required during installation of rings into piston grooves and piston insertion into the cylinder bore.

• Designed for use in vehicles equipped with the S63B44 4.4L V8 engine, including select M5 (E60/E61), M6 (E63/E64), X5 (E70), X6 (E71/E72), and 5 Series (F10/F11) models
• Compatible with standard bore cylinder size of 89mm for proper piston ring fitment
• Helps restore engine compression and oil control in S63B44 V8 applications
• Includes compression ring, second compression ring, and oil control ring for complete cylinder sealing
• Manufactured to meet industry-standard material composition and dimensional tolerances