AFE 54-11521 Magnum Force Stage-1 PRO 5R Intake System 06-08 BMW Z4 M (E85/E86) L6-3.2L (S54)
This air intake system produces 11 max horsepower, 10lbs. x ft. torque and out-flowed the factory intake by 90%. Includes a durable 16 gauge, powder-coated heat shield; this air intake system features a washable/reusable conical air filter. Heat shield requires little or no assembly and the filter is constructed with 100% polyurethane for long life and multiple cleaning cycles.