This gasket seals the oil sump to the engine block. Basically, it fills any tiny gaps between those two parts. It’s a static seal, meaning it doesn't move while the engine is running; it just sits there and prevents leaks. It’s made of a material—usually rubber or a composite—that’s designed to withstand oil and engine heat. It’s a crucial part of the engine’s lubrication system. The oil sump is the reservoir that holds your engine oil, and this gasket keeps that oil inside. Without a good seal, oil can escape, and that’s obviously not good. It’s located right where the oil pan bolts up to the bottom of the engine. Well, oil is the lifeblood of your engine, right? A leaking oil sump gasket can cause a slow or even rapid loss of oil. You’ll notice if you see oil spots under your car, or if your oil pressure light comes on. Even a small leak can lead to bigger problems – like engine damage if it runs low on oil. It acts like a shield, preventing a messy leak and protecting your engine's vital parts. These gaskets do wear out over time, especially with temperature changes and vibrations, so they need to be replaced eventually. You can find a good one at places like Fixparts Online, or of course we can get one for you here. Replacing it is usually pretty straightforward, but it’s important to make sure you get the right one for your vehicle. BMW quality assured: Profile Gasket (MPN 11137627512) includes a 12-month warranty!

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