Depo 344-55017-000 Radiator/Air Conditioner Fan Assembly (BMW SEDAN 525/530 7/05-07/528i 08/545i 04-05 5 SERIES WAGON 06-07/ 645Ci 04-05 ASSEMBLY) OE comparable design to ensure the structural fitment and strength Drop in fit Robust validation tests to guarantee the best quality on every single fan Only sold by assembly which consists of shroud, blades, motors and some with module controller or resistor Professional installation recommended, for fan with control module or brushless motors, please follow the steps in the "installation notice" inside the box and ensure to re-boot car computer for operating correctly