The Genuine BMW Engine Coolant Overflow Hose - 17128654832 is a high-quality replacement part designed specifically for BMW vehicles. This hose is responsible for carrying excess coolant from the engine to the overflow tank, preventing overheating and potential damage to the engine. It is made from durable materials to withstand high temperatures and pressure, ensuring long-lasting performance. This genuine BMW part is an exact match for the original hose, ensuring proper fit and function. It is an essential component for maintaining the proper functioning of the cooling system in your BMW vehicle.