The Rein Radiator Coolant Hose Lower (328i 328i xDrive) - CHR0618 is a replacement hose for the lower section of the radiator coolant system in BMW 328i and 328i xDrive vehicles. This hose is designed to withstand high temperatures and pressure, ensuring efficient flow of coolant to and from the radiator. It is made from durable materials to resist wear and tear, and is an exact fit for the specific make and model of the vehicle. This product is essential for maintaining the proper functioning of the radiator and preventing overheating.