I don‘t have 8 port just 4 on F30 and I install 5AG without any problem. See with tool32 if you have 1 port free there.
Open ZGW_01.prg
JOB/Wert „status_flexray_pfad“
"steuern_reset_learn_flexray" or
"steuern_reset_flexray"
Open ZGW_01.prg
JOB/Wert „status_flexray_pfad“
"steuern_reset_learn_flexray" or
"steuern_reset_flexray"