The Injen EVO1107 cold air intake system is truly on the next level. From the one-piece sealed housing that utilizes our patent pending Twist-Lock technology to securely attach a massive SuperNano-Web Dry air filter in place, to the seamless fitment to the OE inlet scoop, all the way down to premium hardware, Injen has put it all on the board to provide you, the consumer, the best intake possible for your N55 equipped BMW!