BMW 2 Series F22, F23 2013-2020 Radiator Coolant Expansion Header Tank & Cap Vehicle Model_Escort E Number (13318344

E Number (13318344

E Number: 332650

E Number (43021ST3E00

582302E000

BMW 2 Series F22, F23 2013-2020 Radiator Coolant Expansion Header Tank & Cap Vehicle Model_Escort E Number (13318344One of the lesser known parts on your BMW 2 Series is the coolant expansion tank. This component is responsible for catching and storing coolant overspill from the vehicle's radiator. The coolant in your vehicle is designed to prevent the engine from overheating. As it reaches its optimal operating temperature, it expands and can overflow. The expansion reservoir collects this excess fluid and stores it safely instead of letting it spill onto the