How to Generate BMW CAS4 Keys by Autel IM508 and Godiag CAS4/CAS4+ Test Platform?

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

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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

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Read the operation guide carefully and continue

Select one unused key position (i.e. key8) and tap “OBD Read SK”

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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”

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Read password successfully

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Input the 32-digit DME ISN read by other devices

The ISN entered is correct.

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Step 2: Generate universal key with Autel KM100

Put the new key into the coil of Autel MaxiIM KM100E to generate key

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After generation, read the key info, the key is not locked.

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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

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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.

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Finally, use Autel KM100E to read the BMW key generated, now the key status is locked.

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Video:

 

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