hi i asked a question re my audi 2010 q5 last weeks (thanks for the answer ,i also have another question re the car it has an oil leak at the back drivers side of the motor and a little oil is dripping on on the hot exhaust am going clean the engine area and will take it to the mechanic , but it seems to me that the problem my be a cam shaft seal or and gasket, the question is did this motor have this problem regards tony.