This little part essentially connects the alternator pulley to the alternator itself. It allows the pulley to spin the alternator, which then generates electricity for your car. It’s a simple part, but it has to handle a lot of rotational force. It also helps absorb some vibration, keeping things running smoothly. Think of it as a key link in getting power to everything electrical in your vehicle – your lights, radio, computer, everything. The engine spins the belt, the belt spins the pulley, and this bush transfers that spin to the alternator so it can make electricity. Without it, the alternator won't work, and your battery will eventually drain. If this bush fails, you’ll notice if your battery light comes on, or you might see your electrical systems start to act a little wonky – dim lights, a struggling radio, things like that. It’s one of those parts that quietly does its job until it doesn’t, and when it fails, it can leave you stranded. It acts like a shield protecting the rest of the alternator from some of the stress. These are wear items, they do eventually give out, especially with age or if the belt’s a bit worn too. You can find a replacement pretty easily. A place like Fixparts Online usually has them in stock. It’s a fairly inexpensive part to replace, and doing it before it completely fails can save you a lot of trouble down the road. Trusted brand, trusted warranty: Bush (MPN 12311705694) is covered for 12 months!

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