Dinan Stage 4 Performance Engine Software (Thru 03) for BMW X5 4.4i E53 2000-2006
Stage 4 Engine Software is for use with the High Flow Air Mass Meter Cold Air Intake System and High Flow Throttle Body, optimizing performance and drivability.
Only applicable for 2000-2003 models.
2000-2003 BMW X5 4.4i
Labor Hours/Installation Hours
50 State Emissions Legal; For 2003 models: 49 State Emissions Legal. This product is in compliance with U.S. EPA Memorandum 1A, or this product has not been found, nor is believed to be, unlawful for use under the provisions of the Clean Air Act. Currently: This product is legal in California only for racing vehicles, which may never be used upon a highway.