Confirmed: Autel MaxiIM IM608 can program key for BMW CAS4 CAS4+ via OBD instead of dismantling the ECU box. Note: the network connection is required during operation.
BMW F30 key programming for example:
Notes: For CAS4, Add key all key lost procedure is the same, no need to get ISN; For Cas4+ all key lost, go to ISN code management to try to read Engine ISN code first, if it is not supported, you need to get ISN code through other way.
– The other steps are as the same as add key. To check the type of CAS system, go to “ECU information” to check.
Plug Autel IM608 into the OBD2 port of BMW, tap “BMW”.
Key learning -> OK (to confirm vehicle information) -> OBD learning -> OK (after reading a few instructions here)
OBD Read SK
Do you have a working key? Yes or No.l
Please put a working key to start coil as close as possible.
It will read the password successfully.
Select a blank key position to write key.
Please put new key close to start coil. Key frequency: 868MHZ.
Key learning has two steps…
Write key successfully.
So follow the instructions on Autel IM608, the whole process will be done easily!