omerride77

Greetings, I was trying to add a new key to my bmw f10 2012 cas4 Using xtool d7w and kc100 i don't know why i decided to click on cas upgrade but atter that car fully disconnected from everything no ignition cant turn the car off no keys recognised cant even open the trunk to disconnect the battery. Error: swrl code mising I don't know what is the next step now and how can i fix this