E63 AFe 645Ci Stage 1 Intake

Advanced FLOW Engineering Stage 1 Air Intake System 2004-2005 BMW E60 545i & E63/E64 645Ci V8-4.4L Description: Increases horsepower to +7 HP @ 5500 rpm Improves torque to +10 lbs/ft @ 4200 rpm 75% cfm increase over stock Maximizes airflow for better acceleration and responsiveness Improved performance results in greater fuel efficiency Installs in less than 45 minutes using factory mounting points No cutting or drilling to engine compartment is required Replaces OE air filter with high flow, high performance 360 degree, 5 1/2" radial flow air filter Washable/reusable air filter with the deepest pleats in the industry is the largest possible in the space allowed Limited lifetime warranty