The Genuine BMW Brake Master Cylinder - 34311163711 is a crucial component of the braking system in BMW vehicles. It is responsible for converting the pressure applied by the driver on the brake pedal into hydraulic pressure, which then activates the brake calipers and pads to slow down or stop the vehicle. This master cylinder is specifically designed and manufactured by BMW to meet the highest quality standards and ensure optimal performance and safety. It is made from durable materials and undergoes rigorous testing to ensure reliability and longevity. This brake master cylinder is a genuine OEM (Original Equipment Manufacturer) part, meaning it is the same as the one originally installed in BMW vehicles. It is compatible with a wide range of BMW models and is an essential part of maintaining the braking system's efficiency and effectiveness.