Genuine BMW 11-21-1-719-984 Crankshaft Timing Chain Sprocket

The Genuine BMW 11-21-1-719-984 is an OEM crankshaft timing chain sprocket designed to maintain precise engine timing in BMW vehicles equipped with M50, M52, M54, S50, and S52 engines. This critical engine component mounts directly to the crankshaft and synchronizes the rotation of the crankshaft with the timing chain, ensuring proper valve timing and optimal engine performance.

Key Features:

• Genuine BMW OEM part engineered to exact factory specifications
• Manufactured from high-quality materials for durability and longevity
• Precision-machined teeth ensure proper timing chain engagement
• Direct replacement for worn or damaged crankshaft sprockets
• Essential component for timing chain service and engine rebuilds

This timing chain sprocket is commonly replaced during timing chain service intervals or when excessive wear is detected. Using genuine BMW parts ensures proper fit and reliable performance, helping to prevent timing chain slippage and potential engine damage. Also known by alternate part numbers 1719984 and 11.21.1.719.984.