You can find the chip tuning file for your McLaren 540C All 3.8 V8 540hp 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 McLaren 540C All 3.8 V8 540hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 540 HP to 620 HP, 540 Torque to 680 Torque.