Genuine OEM BMW Air Filter, part number 13717536006. This component is essential for cleaning the air drawn into the engine, removing dust, dirt, and other contaminants that could cause engine wear. Clean air is vital for efficient combustion and engine health. It is typically housed within the air filter box. Constructed with high-quality filtration media and a durable frame for reliable performance. Genuine OEM air filters provide the exact filtration efficiency and airflow required by the engine.