You can find the chip tuning file for your BMW 6 serie E63 - 2004 - 2010 630i 258hp 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 6 serie E63 - 2004 - 2010 630i 258hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 258 HP to 284 HP, 300 Torque to 330 Torque.