Model Compatibility: Fits 550i, 750i, X5, X6, F10, F15, F16 vehicles with N63N and N63TU 4.4L turbocharged engines.
Technical Specification: Set contains eight piston rings with a diameter of Φ89mm for direct replacement in specified engine applications.
Application Scope: Designed as a functional replacement for piston rings in the listed models and engine variants.
Fitment : Matches dimensions and configuration to restore standard piston ring function in N63N and N63TU 4.4T engines.
Installation Purpose: Enables replacement of worn or damaged piston rings to maintain factory-specified cylinder sealing and engine.
وصف
This 8-piece piston rings set features a bore diameter of 89.00 mm and is designed for use in vehicles equipped with N63N and N63TU 4.4L V8 twin-turbo engines.Compatible models include: 550i xDrive (F10, F11) 2013–2017; 750i / 750Li (F01, F02) 2012–2015; X5 xDrive50i (F15) 2014–2018; X6 xDrive50i (F16) 2015–2019.Specifications: cylinder bore diameter 89.00 mm, wrist pin diameter 22 mm, ring thicknesses – first ring 1.2 mm, second ring 1.5 mm, third ring 2.0 mm.Standard size (STD 0.00), no cylinder overbore required.Package includes 8 piston rings for complete V8 engine service.