BMW Water Pump and Thermostat Replacement Kit (E39) - 11517509985KT1

Includes Stewart high performance water pump and Wahler thermostat assembly

This basic cooling system service kit comes with the basics you will need to service your BMW's cooling system. Your BMW's cooling system is comprised of numerous individual pieces. The two most likely pieces you will want to maintain to keep your system flowing coolant, literally, are the water pump and thermostat assembly.

About EMP Stewart

In January of 2001, Stewart Components was acquired by Engineered Machined Products, Inc., in a strategic move by EMP to expand its water pump line, while entering a new niche market focused on the high performance racing industry. EMP is North America's leading supplier of cooling pumps in the diesel industry, and is a recognized leader in the development and advancement of pumps and pumping technologies. Together, EMP and Stewart Components have combined forces to bring advanced, innovative engineering and manufacturing abilities to the high performance market. Both companies have extensive knowledge and experience in the utilization of design and manufacturing software, and are able to apply sophisticated mathematical models to analyze specific issues applicable to the high performance market. These capabilities have led to great performance gains in previous water pump designs, along with altogether different products and ideas that have proven more efficient than current cooling system components.