Godiag BMW CAS4/CAS4+ Test Platform can be used with Autel IM508/IM508S/IM508II to generate BMW CAS4 keys perfectly. It has been tested and confirmed by godiagshop.com engineer.
Prepare all devices and accessories below:
Godiag CAS4 & CAS4+ Test Platform
Autel IM508 tablet with OBD cable
Autel KM100E Universal Key Generator
BMW CAS4/CAS4+ module
BMW key
Connection:
Connect IM508 and Godiag BMW CAS4 Test Platform via OBD cable
Connect Godiag Test Platform to CAS4/CAS4+ module
Supply power to Godiag CAS4 Test Platform as well
Main steps:
Step 1: OBD read SK (Security key) by Godiag CAS4 Test Platform and Autel IM508
Step 2: Generate universal key with Autel KM100
Step 3: Write key with Godiag CAS4 Test Platform and Autel IM508
In detail…
Step 1: OBD read SK (Security key) by Godiag CAS4 Test Platform and Autel IM508
Enter Autel IM508 main menu
Select IMMO>> accept the disclaimer>> BMW>> System selection>> Immobilizer>> CAS/CAS4+ Immobilizer>> Key operation>> Key learning>> Learning via OBD
Read the operation guide carefully and continue
Select one unused key position (i.e. key8) and tap “OBD Read SK”
Pay attention to the warning “there is a small risk of data loss when performing this function, and it requires network (Wifi) connection during the process.”
Confirm there is a working key or not, click “No”
Read password successfully
Input the 32-digit DME ISN read by other devices
The ISN entered is correct.
Step 2: Generate universal key with Autel KM100
Put the new key into the coil of Autel MaxiIM KM100E to generate key
After generation, read the key info, the key is not locked.
Step 3: Write key with Godiag CAS4 Test Platform and Autel IM508
Return to the previous interface, and tap “Write key”
Place the new key (frequency is 315M) to close to the start induction coil
Write key successfully
Press the ignition switch of Godiag CAS4 CAS4+ Test Platform
The key can light up the analog dashboard light, and it means the key is generated successfully.
Finally, use Autel KM100E to read the BMW key generated, now the key status is locked.
Video: