Compatible with N52B25 engines found in E60 and E90 models including 325i and 523i for precise fitment and performance
Set of 6 piston rings includes standard size components designed for low compression applications with a ratio of 9.7:1
Direct replacement part numbered 11257561850 correct OEM specification match during engine rebuilds or maintenance
Ideal for engine restoration projects requiring specification piston ring sets for smooth and reduced wear
Includes all necessary piston ring accessories to support complete cylinder overhaul and optimize engine sealing efficiency
وصف
6PCS Pistons Rings STD Low Compression 9.7:1 11257561850 For E60 E90 325i 523i N52B25 Engines Pistons Rings Accessories Material: forged aluminum Compression Ratio: 9.7:1 Cylinder Bore: Φ82mm Ring Thickness: 1st 1.2mm, 2nd 1.5mm, 3rd 2.0mm Compatibility: E60 E90 325i 523i N52B25 Engines Package Contents: 6x Pistons Rings Set This pistons rings set is designed for engines with a cylinder bore of Φ82mm and features a compression ratio of 9.7:1, suitable for naturally aspirated applications.The forged aluminum construction supports durability under standard operating conditions.Ring thickness is configured with 1.2mm for the first ring, 1.5mm for the second ring, and 2.0mm for the third ring to effective sealing within the cylinder.The set is engineered as a direct replacement for OE# 11257561850 and 11257561848, allowing installation without engine modifications.It fits specific engine models produced between 2005 and 2011.The package includes six complete piston ring sets, providing all necessary components for full engine re-ringing.