Amazon.com: Intake Air Adjustment Unit DISA Valve Compatible with BMW M54 E46 E39 E60 X3 Z4 (2.5i) 325Ci 325i 325xi 525i 2.5L Replace Part Number 11617544806 11617502269 (2.5L) : Automotive
Amazon.com: Air Intake Manifold Runner Control Valve for BMW E46 E39 E60 E83 E85 325i 325Ci 325xi 525i X3 Z4 (2.5L M54 Engine) : Automotive