How to change BMW CAS3 MSD80 DME using CGDI BMW

How to: change replace the BMW CAS3 MSD80 DME Engine Computer using CGDI Prog BMW Key Programmer.

When is required:

A secondhand/used DME (MSD80) was to used to replace the original DME (MSD80)

Model example:

BMW E83 CAS3 DME MSV80
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Procedure:

Connect CGDI BMW with vehicle via OBD socket

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Open CGDI software and select BMW ISN

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MSV80 Wiring diagram

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Click to read DME ISN

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Make sure the battery has enough power and not disconnected

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The procedure takes about 5 minutes. Please be patient

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CGDI BMW Read DME ISN successfully

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Read the CAS ISN

CAS ISN read successfully

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Copy the DME ISN to the position of CAS ISN and write it

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Please insert the key and confirm the ignition switch is turned on

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Written CAS ISN success

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