You can find the chip tuning file for your BMW X3 E83 - 2004 - 2010 1.8D 143hp 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 1.8D 143hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 143 HP to 180 HP, 300 Torque to 390 Torque.