It works with the timing chain to transfer the rotational power from the crankshaft to the camshaft. Think of it like a set of gears – it takes the spinning motion and moves it along to operate valves that let air and fuel into the engine, and exhaust out. It meshes with other sprockets and the chain to make that happen smoothly. It's a critical piece in the timing drive system. That system ensures everything inside your engine—pistons, valves—is all happening at exactly the right time. It’s a pretty fundamental component – without it, the engine just won't run, or will run terribly. It’s located up front, driving the components that control when your engine breathes. Well, if a sprocket wears out or a tooth breaks, the timing gets thrown off. It can cause a whole lot of problems – everything from reduced engine performance and poor fuel economy to serious engine damage. It's kind of like a shield protecting the internal timing of the engine. If it fails, things can really go wrong quickly. You’ll notice if it’s starting to go bad – usually with a rough idle, misfires, or a check engine light. You can find replacements, including a good selection, at places like Fixparts Online. It’s a relatively inexpensive part to replace compared to the cost of fixing an engine damaged by bad timing, so it’s a good thing to keep an eye on. Professional-grade support: Sprocket (MPN 11318509926) comes with a 12-month warranty!

Why Choose BMW?

• Get parts made exactly for your BMW, so they fit and work perfectly. • BMW parts are designed to last, keeping your car running smoothly for years. • Using genuine BMW parts helps maintain your car's value. • You can trust the quality and performance of parts made by the same people who built your BMW. Performance you can rely on – BMW parts from FixParts Online.