iwis 90001170 Engine Timing Chain Kit for BMW

The iwis 90001170 is a complete engine timing chain kit designed for BMW vehicles, providing OE-quality components for cylinders 1-4, Bank 1 intake and exhaust systems. This comprehensive kit includes everything needed for a professional timing chain replacement, ensuring proper engine synchronization and reliable performance.

Kit Includes:

• Timing chain manufactured with precision German engineering
• Chain tensioner for proper chain tension maintenance
• Multiple guide rails for optimal chain routing
• Top slide rail component
• All components meet OE specifications

iwis has been manufacturing precision timing chains since 1916 and became a BMW supplier in 1939. Each component is engineered to exact specifications with their patented TRITAN coating technology, which provides enhanced wear resistance and extends service life. The German manufacturer's goal of "100% repeatability across 30 million parts manufactured each day" ensures consistent quality across every component. This complete kit approach saves time during installation and ensures all timing system components are replaced simultaneously, preventing premature failure of older components and providing optimal engine performance.