The Nissens Heater Core (E39 E53) - 70530 is a replacement heater core for BMW E39 and E53 models. It is designed to fit and function just like the original equipment, providing efficient heating and defrosting for the vehicle's interior. This heater core is made with high-quality materials and is rigorously tested to ensure durability and performance. It is a direct fit for easy installation and is compatible with both manual and automatic climate control systems. Keep your BMW's heating system running smoothly with the Nissens Heater Core (E39 E53) - 70530.