You can find the chip tuning file for your BMW 5 serie E60/61 - 2003 - 2010 520i 170hp 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 5 serie E60/61 - 2003 - 2010 520i 170hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 170 HP to 182 HP, 210 Torque to 230 Torque.