This product is an Outside Ambient Temperature Sensor with the part number 65816905133, designed to fit BMW F20, F30, F32, F10, F12, F01, F15, and F25 models. It is a genuine manufacturer part and not a custom bundle or modified item. The sensor is essential for monitoring and regulating the temperature of the car's heating, ventilation, and air conditioning system. The product comes with a plug for easy installation and is a reliable reference OE/OEM number for ensuring compatibility and quality.