CG AT-200 V1.7.1 Adds B48 B58 Bench ISN Read

CG AT200 isn code reader and ecu progammer released new software upgrade v1.7.1.

Add BMW B48 B58 Bench read ISN
read and write EEPROM, Flash
Add the ECU Type of the TC1796
25 car types
Add EDC17C50 read ISN