Open box. The product is a new Bosch Mass Airflow Sensor (MAF Sensor) designed for BMW F80 F82 M3 M4 328i 428i models. It is a direct replacement with the manufacturer part numbers 0280218266 and 13627602038, 0280218266. The sensor is easy to install and features a 6-month manufacturer warranty. It is suitable for BMW and MINI vehicles and is located in the engine compartment. With its black connector color and OE/OEM part number 0280218266, this air mass sensor is a reliable choice for maintaining optimal air and fuel delivery in your vehicle.