Keydiy KD-X4 BMW BDC3 Key Copy Error B7 Solution

Problem:

Tried to copy a BMW G series BDC3 key using Keydiy KD-X4 but failed. KD-X4 cannot collect key data, device says error B7.

Keydiy KD-X4 BMW BDC3 Key Copy Error B7 Solution

Solution:

It can be firmware or app version issue.

Update both KD-X4 firmware and KD App to latest version.

And try again.

See also
OBDSTAR F108 Read Peugeot 5008 2011 Pin Code by OBD
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