Scott, One listmember thought only the 30V, but I thought it would fit the 12V and the 30V. As I understand it, the cars are identical except for the heads, anyway. I would suggest checking out A4.org and if they don't say, get the company's number and give them a call. I'm trying to convince my wife our 12V A6 needs the kit :). Samuel W. Clough Invesco Retirement Plan Services 404-575-3571