how to remove ignition tumbler in a 2001 Audi A6 quattro 4.2L

What is your question?

The ignition in my 2001 Audi A6 quattro has stripped and stopped working, tumbler will not return to run position, my car wont start and the tumbler is stuck in start position, it has power to the car but no start. there is no spring return at all, when key is in tumbler it turns freely through all positionsIis this part replaceable? How do I remove it?

What makes this problem better or worse?

nothing, tumbler/ignition switch wont engage

How long has your 2001 Audi A6 Quattro had this problem?

just happened