For generations the K&N brand name has been associated with quality and reliability. Give your Mini R56 a breath of fresh air with a K&N drop-in replacement filter specifically designed to increase performance and fuel efficiency. The K&N 33-2936 is custom designed to fit into your Mini R56’s existing factory air box, so installation is quick and simple. In addition to their unmatched reliability, K&N also backs up their filters with their Million-Mile Limited Warranty for added peace of mind.