The product is a BMW ambient air temperature sensor with the OE/OEM part number 65811383204. It is designed for specific BMW models such as E30, E36, E34, E32, and E31 Z3. The sensor has a clip-on mounting style and is made of plastic material, with a yellow color. It is an genuine BMW part manufactured in Germany, suitable for car and truck parts and accessories related to air conditioning and heating systems.