iwis 90001311 Complete Timing Chain Kit for BMW N20/N26 Engines

The iwis 90001311 Complete Timing Chain Kit (Kit 5-03) is a comprehensive OEM-quality timing system replacement solution designed specifically for BMW N20 and N26 engines. Manufactured by iwis, a German precision chain manufacturer and trusted BMW supplier since 1939, this kit ensures proper synchronization between the crankshaft and camshaft for optimal engine timing and performance.

Complete Kit Includes:

• Timing Chain (G53HR 148-link) - BMW OE# 11318648732
• Two Timing Chain Guide Rails - BMW OE# 11317592850 and 11317592877
• Timing Chain Tensioner with integrated guide rail assembly
• Chain Tensioner Seal Ring - BMW OE# 11318685091

This complete kit provides all essential components needed for a professional timing chain replacement, eliminating the need to source individual parts separately. The iwis timing chain features precision engineering with exact tolerances to ensure proper valve timing, smooth operation, and long-term durability. Each component is manufactured to meet or exceed OEM specifications, providing reliable performance for high-mileage engine rebuilds or preventive maintenance.

About iwis: Founded in 1916, iwis specializes in high-precision timing drive systems and has been manufacturing timing chains for BMW engines for over 80 years. Known for exceptional quality control and precision manufacturing, iwis produces over 30 million chain links daily with a goal of 100% repeatability across every component.