This part essentially takes the rotating motion of your engine and turns it into the up – and – down motion that opens and closes your valves. It has offset lobes, those little bumps, that push on the valve rods as it spins. It’s a pretty simple concept, but absolutely vital to how your engine breathes. It’s located right up in the cylinder head, part of the valve train. It works closely with the camshaft, pushrods, and rocker arms to control when and how much the valves open. Without it working correctly, the engine can't properly get air in and exhaust out, plain and simple. It’s really a core component in the whole process of combustion. Well, if this thing goes bad, you'll notice it immediately. You'll probably have rough idling, a loss of power, maybe even misfires. It's one of those parts that doesn’t really have a “gradual” failure – it tends to go pretty suddenly. It acts like a shield protecting the entire valve train. If it fails, the whole system is vulnerable. Getting a good quality replacement is key. You can find them pretty easily, places like Fixparts Online carry a good selection. Ignoring a problem here can lead to some serious engine damage, so it's definitely something you want to address quickly. Choose quality: Eccentric Shaft (MPN 11331744354) is backed by a 12-month warranty!

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• Get parts made specifically for your BMW, ensuring a perfect fit and optimal performance. • BMW Parts are built to the same high standards as your vehicle, meaning lasting quality and reliability. • Using genuine BMW parts helps maintain your vehicle’s value and original engineering. • You’ll find a wide selection of parts and accessories, making it easy to keep your BMW running like new. BMW delivers excellence, FixParts Online delivers to your door.