This is a replacement panel filter for the BMW for the 2004 – 2013 116i, 118i and 120i 2006 – 2013 316i, 2005 – 2013 318i and 2005 – 2013 320i. For a full list of fitments see compatibility chart. Features High Performance, MAF Safe, twin layer, fully reticulated foam Fits in the OEM Airbox and replaces inefficient paper filter Lifetime washable filter Stainless steel cage support structure Guaranteed surface area using high quality custom blended polymer What Does It Do? The Ramair Panel Filter range is made from twin core Ramair Aeriform foam and our stainless steel cage which is used in many of our tier 1 Motorsport applications for maximum strength. A rubber polymer surround gives a fantastic clean and smooth finish with longevity in mind. These filters are direct replacements for the OEM air filter in your car, making this filter easy to fit and maintain. Ramair twin core foam is unique and like no other in the market. Our foam is designed to give maximum dust filtration along with optimum performance. Filter Length: 160mm Filter Width: 140mm Filter Shape: Circle Filter Material: 15mm Dual Layer Foam Filter Neck ID: 80mm If you have any queries on product fitment then please contact us via 01793 296 342 or on our live chat and one of our brand associates will be more than happy to assist.