BMW Engine Control Unit ECU E46 Z3 E39 Part Number: 5WK9037 7500255 The controller has a REMOVED immobiliser. – Ready to be installed in the car – It works even with a damaged factory immo – No coding needed, just plug and play! If the EWS is damaged disconnect it and bridge the two thick cables in its plug. I will help if needed. Condition Item is fully tested and in good working condition. Might have signs of normal wear like scruffs, rust marks and scratches. Warranty We sell used parts with 30 days warranty. Please don’t rely on compatibility as parts may fit various models. Please check part number to ensure correct fitment. If you have any question, please feel free to message us!.