Audi Q7 2011 all keys lost.
Using vvdi prog and vvdi2

Steps:

1-Reading EZS eeprom 32KB using vvdi prog (0L01Y).
2-On vvdi2 choose key position 1.
3- prepare Dealer key.
4- writing new eeprom dump to EZS using vvdi prog .
Car start success

Wiring diagram:

FAQs:

Your vvdi2 is full or basic version ?

Full version

So basic version can’t do it ?

basic version can do it ,on vvdi2 immobolizer data by dump

Did you have to remove the whole column?

Yes

You have to dismount ecu so this is not done by obd

Yes,  this model all key lost cant do through obd2

To give ignition on ?

Yes but with dremel 5min ecu is in your hand

(Credits to Mhamad Kayed Mansiah)