Designed for 4.4L V8 N63B44C and N63B44D engines to proper fitment and performance.Compatible with select models including 550i, M5, M6, X5, and X6 across F10, F90, F06, and F12 chassis.Direct replacement piston rings to help restore engine compression and support efficient.Made from materials to handle operating temperatures and maintain sealing performance.Includes 11257649927 for identification and correct installation.
وصف
This piston ring set is designed as a direct replacement for worn or damaged components in engine rebuild, repair, or maintenance applications.It is engineered to provide accurate fit and function for specified engine models.Specifications: - Part numbers: 11257649927, 11258073574, 11258485797, 11257844774 - STD 0.00 specification; no cylinder overbore required - Cylinder bore diameter: 89.00mm - Ring thickness: 1st ring 1.2mm, 2nd ring 1.5mm, 3rd ring 2.0mm - Engine compatibility: N63B44 4.4L V8 (4395cc) Twin Turbo, S63B44 4.4L V8 (4395cc) Twin Turbo - Engine models: N63B44C, N63B44D Compatible vehicle applications: - 550i Gran Turismo (2013–2017) - 550i (2013–2017) - M550i xDrive (2016–2020) - M5 (2010–2019) - 650i (2013–2018) - M6 (2011–2018) - 750i / 750Li (2013–2019) - M850i xDrive (2017–2020) - X5 50i xDrive (2014–2020) - X5 M (2013–2018) - X6 50i xDrive (2014–2020) - X6 M (2014–2019) - X7 50i xDrive (2018–2020)