You can find the chip tuning file for your Alpina B5 E60/E61 - 2005 - 2010 4.4 V8 Bi-Turbo 507hp 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 Alpina B5 E60/E61 - 2005 - 2010 4.4 V8 Bi-Turbo 507hp vehicle is the result of a special product by Hyperols Engineers. In addition, we can increase the power of your vehicle from 507 HP to 600 HP, 700 Torque to 800 Torque.