The Genuine BMW Brake Master Cylinder Pin - 35006878304 is a small but essential component of the brake system in BMW vehicles. It is responsible for connecting the brake pedal to the master cylinder, which is the main component that controls the flow of brake fluid to the brakes. This pin is made from high-quality materials and is designed to withstand the high pressures and forces of the brake system. It is a genuine BMW part, meaning it is manufactured to the exact specifications and standards set by the company. This ensures optimal performance and compatibility with your BMW vehicle. This brake master cylinder pin is an important part of maintaining the safety and functionality of your BMW's braking system.