This chain's job is to connect the oil pump to the engine’s crankshaft, basically the heart of the engine. It’s what physically drives the oil pump, making it spin and circulate oil throughout the engine. It needs to be strong and reliable because it’s constantly moving and under a good bit of stress. Think of it as a key part of the engine’s lubrication system. The crankshaft spins, which turns the chain, which then spins the oil pump. The oil pump then draws oil from the oil pan and sends it up to lubricate all the moving parts – pistons, bearings, camshaft, everything. Without this chain doing its job, the pump just won’t run, and that’s a serious problem. It’s tucked away inside the engine, usually under the front or rear cover, so you don’t see it directly. Well, oil is absolutely vital. It reduces friction between all those moving parts, keeps things cool, and prevents wear. If the chain breaks or stretches, the oil pump slows down or stops altogether. That means oil stops flowing, and that leads to rapid engine damage. You’ll notice if something is wrong usually through oil pressure warnings on your dash, or strange engine noises. It’s a preventative maintenance item, something you’d replace during a timing job or if you suspect a problem. You can find a quality replacement chain at places like Fixparts Online, and it's worth getting a good one to avoid bigger headaches down the road. Ignoring a worn or failing oil pump chain is a quick path to a very expensive engine rebuild. Drive with confidence: Chain (MPN 11412249745) 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 engineered to last, meaning fewer repairs and more time on the road. • Using genuine BMW parts helps maintain your vehicle’s value. • You’ll get the same quality and reliability that BMW is known for, giving you peace of mind. BMW delivers excellence, FixParts Online delivers to your door.