BMW N46 N46 2.0 E90 320i E60 520i Piston Ring Set 1 Cylinder

Description BMW N46 Piston Rings – Single Cylinder Set 1.2 x 1.5 x 2 Restore peak engine performance with this precision-engineered piston ring set, designed specifically for the BMW N46 engine (single cylinder). Whether you’re carrying out a full engine rebuild or replacing worn rings on a targeted cylinder, this set delivers the exact fit and tolerances your N46 demands. Key Features: OEM-Compatible Fitment – Engineered to meet or exceed BMW N46 factory specifications for a precise, leak-free seal Complete Single-Cylinder Set – Includes compression rings and oil control ring for one cylinder High-Quality Materials – Manufactured from hardened cast iron or steel alloy for exceptional durability and heat resistance Reduced Oil Consumption – Optimised ring tension minimises oil burning and blow-by for a cleaner, more efficient combustion cycle Restored Compression – Renew cylinder compression to factory levels, improving power, fuel efficiency, and throttle response Compatibility: Designed for BMW N46 engines, commonly found in the following models: BMW 1 Series (E87) BMW 3 Series (E46, E90, E91, E92) BMW 5 Series (E60) BMW Z4 (E85) Why Replace Your Piston Rings? Worn piston rings are a leading cause of oil consumption, reduced compression, blue exhaust smoke, and poor fuel economy. Replacing them during an engine rebuild is a cost-effective way to extend engine life and restore performance without a full engine replacement. Ideal For: DIY engine builders, professional mechanics, and BMW specialist workshops looking for reliable, affordable N46 engine components.