34216771970 BMW BRAKE DISCS

These are essentially the surface that your brake pads squeeze against to actually stop the car. They’re metal, usually cast iron, and they rotate with the wheel. When you hit the brakes, the pads clamp down on these discs, creating friction. That friction slows down, and eventually stops, the wheel from turning. They dissipate a lot of heat during braking – that’s why you sometimes see them glowing red if you’re doing a lot of hard stopping. They’re a core part of your braking system, obviously. The caliper houses the brake pads, and those pads press against the disc. The disc is bolted to the wheel hub and spins with the wheel. Everything works together – master cylinder, brake lines, calipers, pads, discs – but the disc is where the stopping power really comes into play. Think of it like the last line of defense in getting the car stopped safely. They wear down over time. Every time you brake, a little bit of the disc is removed. It’s just how it works. They can get grooves in them, warped – which causes that pulsing feeling you get when braking – or they can just get too thin. If they get too worn, you lose stopping power, and that’s a big safety issue. You’ll notice if they're really bad – maybe longer stopping distances, the car pulling to one side when you brake, or that pulsing I mentioned. It’s a wear item, like tires or brake pads. We carry a good selection here, and you can often find what you need at Fixparts Online, too. Replacing them along with the pads is usually what people do for a complete brake job. Technical support you can rely on: Brake Discs (MPN 34216771970) comes with a 12-month warranty!

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