These are the shiny metal discs that your brake pads squeeze against when you hit the brakes. Basically, friction is what slows you down, and that friction happens right there, between the pad and the disc. They’re designed to dissipate heat – turning that braking energy into heat, and spreading it out so things don’t overheat. They also provide a smooth, consistent surface for the pads to grab onto. Think of them as a key part of your stopping power. When you push the brake pedal, hydraulic pressure pushes the calipers, and the pads clamp down on these discs. The wheels are attached to these discs, so when they slow down, you slow down. They work alongside your brake pads, calipers, and brake lines – it's a whole system. Honestly, they’re pretty critical. If these get worn down, warped, or damaged, your stopping distance increases, and you could experience vibrations when braking. You’ll notice if they're really bad – maybe a pulsing in the brake pedal, or the car pulling to one side. Regular checks are important. If you're doing brake work yourself, you can find a good selection of discs, including the ones for your vehicle, over at Fixparts Online, but any auto parts store will carry them. You really want these in good shape for safety’s sake – they essentially act like a shield between you and a potential accident. Worn discs can also damage your brake pads, costing you more money in the long run. Customer-approved reliability: Brake Disc (MPN 34211163149) includes a 12-month warranty!

About BMW

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Why Choose BMW?

• Get parts made specifically for your BMW, so they fit and work perfectly. • BMW parts are known for their high quality and durability, meaning they last longer. • Using genuine BMW parts helps maintain your vehicle’s value. • You can trust BMW parts to keep your car running smoothly and safely. Performance you can rely on – BMW parts from FixParts Online.