As the development of the morden transport technology,more and more people are willing to buy cars,so it is necessary to find a good diagnostic tool for own cars,Therefore there are many professional tools supplied in the auto field.i meet the vag tacho usb 25 version
,and indeed it is very good!

yesterday i surfed a professional diagnostic tool on the internet,i met the excellent diagnostic tool auto key programmer AK 400,and the tool can do both and Benz. AK400 more mainly do Benz Cars.ak 400 key programmer
function more powerful, the most import is it has the good function for chip programming and with a 40G hard disk.and it can not be updated in the whole market now.i will apprciate the chance to find the good ak 400 key programmer
!