You can find the chip tuning file for your Kia Optima 2012 - 2015 1.7 CRDi 136hp 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 Kia Optima 2012 - 2015 1.7 CRDi 136hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 136 HP to 160 HP, 325 Torque to 380 Torque.