These lines, pretty simply, carry brake fluid under pressure from the master cylinder—that’s where you push the pedal—to the brake calipers at each wheel. That fluid pressure is what actually clamps down on the rotors, slowing and stopping the car. They’re steel tubing, usually coated for protection, and they have to be flexible in a few spots where the wheels move up and down. Think of it like the arteries in your body. The master cylinder is the heart, pumping the fluid, and the brake lines are the vessels that get that “lifeblood” to where it needs to go. Without working brake lines, pushing the pedal does absolutely nothing. It’s a critical part of the brake system, obviously. It’s incredibly important. A compromised brake line—rust, cracks, leaks—means you lose braking power. Sometimes it’s a gradual loss, you'll notice if the pedal feels soft or goes to the floor more easily. Other times it can be sudden and catastrophic. You really don’t want to risk it. It's something that needs attention immediately if you suspect a problem. You can find replacement brake lines, all different makes and models, over at Fixparts Online if you’re planning to tackle the repair yourself. They’re a really important safety item, and a failing line acts like a shield giving way – you lose that protection quickly. Guaranteed quality: Brake Line (MPN 34321150641) includes a 12-month warranty!

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• 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. FixParts Online – Your Trusted Source for Quality BMW Auto Parts.