a little white smoke coming out of exhaust I have a 2001 audi a6 2.7 Quattro it

What is your question?

a little white smoke coming out of exhaust I have a 2001 audi a6 2.7 Quattro it has been sitting for 3 months n I started it n white smoke coming from exhaust I let it run for 30 min a day but I still see smoke