Engine Overhaul Rebuild Kit 9.7:1 With Piston Ring Set Bearing Head Bolt Compatible With 2005-2012 323i 523i E60 E90 E92 E83 E85 N52 2.5L

Engine Overhaul Rebuild Kit 9.7:1 W Piston Ring Set Bearing Head Bolt For 2005-2012 323i 523i E60 E90 E92 E83 E85 N52 2.5L Compression Ratio: 9.7:1 Cylinder Bore: Φ82.00mm Piston Ring Spec: STD 0.00 spec (no fit cylinder expand) Bearing Shell OE#: 11 24 7 576 714, 11 24 7 628 034, 11 24 7 576 715, 11 24 7 576 717, 11 24 7 628 035, 11 24 7 552 063, 11 21 7 627 037, 11 21 7 581 009, 11 21 7 627 027, 11 21 7 627 033 Seals & Gasket Kit OE#: 11 12 7 555 310, 11 12 7 555 311, 11 13 7 548 031, 11 12 7 581 215, 11 34 0 032 582, 11 34 0 034 068, 11 12 7 548 799 Package Includes: Pistons & rings x1 set, Main & Con rod bearing x1 set, Head bolt x1 set, Gasket Kit x1 set This engine overhaul rebuild kit is designed for use with models equipped with the N52 2.5L engine from 2005 to 2012.It includes a full set of pistons and rings, main and connecting rod bearings, head bolts, and a complete gasket and seal kit.The 9.7:1 compression ratio supports balanced engine performance, with a cylinder bore size of Φ82.00mm and piston ring dimensions of 1st 1.2mm, 2nd 1.5mm, and 3rd 2.0mm for consistent internal sealing.Components are selected to align with specifications, providing a direct fit for engine rebuilding applications.This kit offers a comprehensive solution for restoring engine functionality.

• Engine overhaul rebuild kit designed specifically for models including 323i 523i with N52 2.5L engine
• Compatible with vehicle chassis types E60 E90 E92 E83 and E85 manufactured between 2005 and 2012
• Includes engineered piston ring set to proper cylinder sealing and compression
• Complete with main and rod bearings as well as head bolts for a full engine rebuild process
• 9.7:1 compression ratio components support performance restoration in line with factory specifications