The aFe MagnumFLOW Air Filters OER PDS A/F PDS BMW 7-Series 02-08 V8-4.4L/4.8L is a high-performance air filter designed for BMW 7-Series vehicles from 2002 to 2008 with V8 4.4L or 4.8L engines. This air filter is made with a Pro Dry S media, which is a synthetic media that requires no oil for filtration. It is designed to provide maximum airflow, improved horsepower, and torque. It also features an inverted top for increased dust holding capacity and a high-strength urethane frame for increased durability. This air filter is a great choice for those looking to improve their BMW's performance and reliability.