key position to generate a dealer key, or use other function)
Unlock CAS4/CAS4+:If the CAS version of the car does not support prepare dealer
key directly, unlock CAS data through OBD. The Unlock CAS/CAS4+ function takes
2-3 minutes, please supply stable power before execute this function. If all key lost,
you need to press the brakes a few times and turn on the double flashing lights to
activate OBD communication. Attention: After the unlock CAS4/CAS4+ is completed,
check whether the original key work. If it do not work, refer to the function in "OBD
read D/P and exchange CAS4->>>CAS4 (5M48H/1N35H)fix start " to repair it.
(PICTURE 6.2-4)
Upgrade CAS4/CAS4+ original file:The software match the same version of the
CAS system automatically to write in and CAS restore working after write. Attention:
It is not recommended that unprofessional users use this function. When there
is an abnormal condition, you can use this function to force programming
before program/code. If failed, Need other tool do program/code
Backup Coding: Back up the CAS code and save the code according to the prompts
during unlock CAS4/CAS4+
Restore Coding: When you need to restore code, load and write the previously
code at Backup coding step
Erase key: Delete and refresh key position information
Reset KM: Restore KM after replacing instrument
Prepare dealer key with programmer: After get key info successfully, select the key
position and use the BMW TOOL programmer to prepare the dealer key. Attention:
Without the original car key, the key generated by this function can only emergency
start, without remote control and keyless. It is recommended to use Prepare dealer
key with ignition switch if all lost.
Prepare dealer key with ignition switch: After get key info successfully, select the
key position and use the car ignition switch to prepare the dealer key. It is
recommended to use this function to prepare dealer key. When all key lost, do it as
unencrypted version first, and then if the remote control and keyless work, but the car
do not start, do it accord to encrypted version, just need remove ECU and read ISN to
prepare key(PICTURE 6.2-2)
(PICTURE 6.2-2)
Read ISN from the original key: Put the original key into device sensor to read the
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