BMW N55 High Flow Filter7B1110 DESCRIPTION COBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize filtration and provide a long life filter. Using proprietary Woven cotton and metal mesh with a precision molded rubber base, the COBB High Flow Filter ensures that only clean air passes into your engine for maximum efficiency. WHY? COBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize