The Graf Water Pump and Thermostat Replacement Kit (E53) - 11517509985KT5 is a comprehensive kit designed to replace the water pump and thermostat in a BMW E53 model. The kit includes a high-quality Graf water pump and thermostat, as well as all necessary gaskets and seals for a complete and efficient replacement. This kit is specifically designed for the E53 model and is an essential component for maintaining the proper functioning of the vehicle's cooling system. By replacing the water pump and thermostat, this kit helps ensure optimal engine performance and prevents potential damage from overheating. It is a reliable and convenient solution for BMW E53 owners in need of a water pump and thermostat replacement.