cas4 spare key programming · Microtronik Autohex II and Hexprog forum

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shortys
56.8% (Neutral)
Newbie Topic Starter

2023-05-12T07:29:49Z

so got spare key to do on bmw 6 series f12, cas4 (ews5 not active)
go to cas firmware to unlock cas then i get message ECU need update? so will not let me procced.
anyone had this problem.

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Piconerd
63.4% (Friendly)
Member

2023-05-13T08:29:36Z

Why not update and see if CAS unlock is available after?