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obdsystems
2021-07-19T19:31:46Z
I've heard this happens when CAS encrypted - so Autohex identified incorrectly CAS as a non-updated -
Should I go to Indiv Coding to update CAS 1st ? So Autohex correctly asks to downgrade

But what to do if no working key in this case -

many thinks
PS I have pic of CAS software version if you require that info
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Autohex_II_BMW
2021-07-21T08:14:53Z
Originally Posted by: obdsystems 

I've heard this happens when CAS encrypted - so Autohex identified incorrectly CAS as a non-updated -
Should I go to Indiv Coding to update CAS 1st ? So Autohex correctly asks to downgrade

But what to do if no working key in this case -

many thinks
PS I have pic of CAS software version if you require that info



do you have ignition on car? if cas downgraded you need to restore it . Also check new key showing as YES in slot in key learning option 1 before restore.
obdsystems
2021-07-26T14:54:51Z
Yes ignition on.
Program never asked to downgrade on doing a spare key
Autohex_II_BMW
2021-07-27T06:16:58Z
Originally Posted by: obdsystems 

Yes ignition on.
Program never asked to downgrade on doing a spare key



Check key in key learning option 1 if showing in slot as YES. If no then probably its the key you can program another key it will work.
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  1. Microtronik Autohex II and Hexprog forum
  2. Autohex II BMW
  3. BMW Locksmith
  4. Programmed Spare; Remote ok but no-start - Mini 2010