This little guy’s job is pretty simple, really. It prevents fluids – usually gear oil in a gearbox – from leaking out where a rotating shaft comes out of the housing. It also keeps dirt and debris from getting in and messing things up. Think of it as a barrier, a sort of gasket, but designed specifically for a moving part. It’s a rubber component, usually with a metal outer ring for strength. It’s part of the drivetrain, specifically in the gearbox or differential. Any place a shaft spins and exits a housing, you'll find a seal like this. It's not something you directly see often unless you’re doing work on those components. It's tucked away inside, doing its job silently. It's a critical part of keeping everything lubricated and running smoothly. If this seal fails, you'll start to lose gear oil. You’ll notice if it does, because you'll probably see a puddle underneath the vehicle, or you might even hear a whining sound as the gears start to struggle without enough lubrication. Losing oil leads to increased wear and tear on the gears, and eventually, can cause major damage – even complete gearbox failure. Replacing a seal is a relatively inexpensive fix compared to rebuilding a whole gearbox. You can often find these online – Fixparts Online has a good selection, for example – and there are lots of videos showing how to replace them if you’re comfortable doing it yourself. But getting it fixed before it causes bigger problems is key. Premium parts, premium warranty: Shaft Seal (MPN 24137542885) has a 12-month guarantee!

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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. Drive with confidence – choose BMW parts at FixParts Online.