Released as a successor to the Piwis Tester 3 (which used a Toughbook CF-19 laptop), the Tester 4 marks a radical shift toward modern tablet computing, wireless diagnostics, and cloud-based integration.
It is mandatory. Porsche AG requires you to use the Tester 4 for warranty claims. piwis tester 4
: Updating firmware for the DME (Engine Control), PDK (Transmission), and instrument clusters. Released as a successor to the Piwis Tester
: Offline access to full electrical wiring diagrams and detailed workshop manuals. Hardware & Software Specifications piwis tester 4