VVDI Key Tool Max Unlock/Renew OEM Smart Key Guide
Take a BMW comfort access smart key for an example to show you how to unlock OEM keys using the VVDI Key Tool Max.
FCC ID - KR55WK49147
Chip - PCF7953
So we go to
Special Function>>Remote Renew>>BMW>>5WK49147 E Series 315MHz Smartkey
Now if the key is an OEM key, there is a renew adapter available.
If the key is not original, we can solder it using the connection diagram and the renew cable.
We can renew keys on Key Tool Max, Mini Prog (an XDKP30 adapter is required) and Mini Key Tool.
Take a look at the PCF7953 key circuit board after soldering it up.
Then go to
Special Function>>Remote Renew>>BMW>>5WK49147 E Series 315MHz Smartkey>>Unlock
Read the chip again on "Transponder Clone".
Now we're able to program it to a BMW.