How about KESS V2 5.017 and KTAG 7.020?

Ktag 2.23 Mater with K-tag 7.020 Firmware And K-suite 2.23 software,obd2cartool high quality PCB with Murata Filters . High quality kess v2 v2.23 firmware 5.017 can work with internet, it have more 140 types of vehicle types or protocols than KESS V4.036, full set with Murata Filters.

KESS V2 5.017 is a ECU programming tool that is perfect for OBD use, while KTAG 7.020 is perfect for Jtag, BDM and all the Boot application (tricore and ST10).

With KESS V2 5.017 kit you programming directly through the OBD port of the vehicle, while with K-TAG 7.020 need to take apart the ECU and open it, Then can make the read/write operation.

Many ECU has the advantage that can be read and write from OBD port (so KESS V2 5.017 is perfect), but there are lots ECU need to disassemble from Vehicles , open the case for all the ECU that need to be programmed with Jtag, BDM and Bootprotocols, so KTAG 7.020 ECU tool is needed.

So, if you read and write from OBD port and program with Jtag, BDM and Boot protocols, Better to choose KESS V2 5.017 + Ktag 7.020 together,there obd2cartool.com wholesale for this two items. If not, do not waste money in your pocket.