The Genuine BMW Disc Brake Caliper Piston Seal - 34216857153 is a high-quality replacement part for BMW vehicles. This seal is specifically designed to fit in the brake caliper piston, ensuring a secure and tight seal to prevent any fluid leaks. It is made from durable materials to withstand high pressure and extreme temperatures, providing reliable performance and longevity. This seal is an essential component for maintaining the proper functioning of the brake system and ensuring safe driving. It is an authentic BMW product, ensuring compatibility and quality.