K&N BMW E90/91/93 335I N54 Engine Performance Air Intake System 57S-2003 651860417943 it's designed to provide a

it's designed to provide a tight

Attaches using 3M™ neoprene adhesive rings

Part Number: C59-764

Easy Install- No Cutting /No Baking

K&N Replacement Air Filter BMW X5 3

K&N BMW E90/91/93 335I N54 Engine Performance Air Intake System 57S-2003 651860417943 it's designed to provide aDescription The K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engines RPM range. A fully enclosed injection molded air box connects to the factory air intake hose. The