... world wide market on 1st September,2009.Inheriting from x 431 series, the x 431 master gets the open opreating system,the highest level ... on teh smart design.The advantages of x 431 master compared to x 431 :1.Integrated disign,combining the smartbox,miniprinter and main ... and communication modules,safer and faster communication with cars than x 431 by intergraded design to save time in work5.No more ...