The Genuine BMW Brake Dust Shield - 34106870615 is a protective component that is installed on the brake assembly of BMW vehicles. It is designed to prevent dust and debris from accumulating on the brakes, which can cause reduced braking performance and potential damage to the braking system. This shield is made from high-quality materials and is specifically designed to fit BMW models for optimal performance and durability. It is an essential part of the braking system and helps to maintain safe and efficient braking.