Porsche Cayenne 2008 change km, OBDSTAR X300M or X300 PRO3?

Puzzles from a customer: I just wanna change mileage for my Porsche Cayenne 2008. Sounds many tools in http://www.eobdtool.co.uk/ are available, like OBDSTAR X300M and X300 PRO3. Which one should choose? To save more and to perform that as easy… Continue Reading