My 2005 A6 3.0 TDI has developed blue smoke coming from the exhausts, there is no sign of oil or water loss and no loss of power the engine has only done 50,000 miles, this is the second car i have owned that has developed this problem but the dealer where i brought the first car from could not find the problem so he replaced the car with this one which i have had for 10 months with no problems until now when this one has developed the same issue.https://www.audiforums.com/forum/ima...s/confused.gif

 

How would you describe the smoke color and density during the day?

Same smoke from the both exhaust pipes?

Any DTC?