You can find the chip tuning file for your BMW X3 E83 - 2004 - 2010 2.5i 214hp vehicle on our site. These files are created especially for you and handed to you. All our Tuning files are extensively tested on Dynometer. The development of the tuning file for your BMW X3 E83 - 2004 - 2010 2.5i 214hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 214 HP to 231 HP, 250 Torque to 271 Torque.