BMW i3 REx/i3s REx Timing Chain Tensioner 11318544896

This genuine OEM timing chain tensioner is designed to maintain optimal tension within the timing chain system of your BMW i3 and i3s models from 2014 to 2021. Complementing engines equipped with alternative part numbers such as 7729593 and 8546132, this tensioner ensures precise synchronization between the engine's camshaft and crankshaft, crucial for maintaining peak engine performance. When a timing chain tensioner is worn or damaged, it can lead to chain slack, poor engine timing, and potential engine damage. This part is essential for reliable engine operation, minimizing noise, and preventing premature wear. As a factory-original component, it seamlessly integrates into the engine, embodying strict OEM quality standards for fit and function.