The Genuine BMW Seal Brake Booster is a high-quality replacement part for your BMW vehicle. It is designed to seal the brake booster, which is an important component of the braking system. This seal is made from durable materials and is specifically designed to fit BMW models. It helps to maintain the proper pressure in the brake booster, ensuring smooth and efficient braking performance. This product, part number 34336856003, is an authentic BMW part and is guaranteed to meet the highest standards of quality and reliability.