This Genuine BMW Brake Master Cylinder is a high-quality replacement part for your vehicle's braking system. It is designed to meet the same specifications as the original part, ensuring optimal performance and safety. The part number for this master cylinder is 34316750643. It is compatible with various BMW models and is made from durable materials for long-lasting use. This master cylinder is an essential component of your vehicle's braking system, responsible for converting the force from the brake pedal into hydraulic pressure to activate the brakes. Trust in this Genuine BMW part to maintain the integrity and reliability of your vehicle's braking system.