ok lately i've been noticel blue smoke while the car idle but it only happens sometimes after it idle for a while...

One of my buddy said it might be my oil return line which is about 2 feet long and tapped into the front of the oil pan which is causing my seals of my turbo to let oil through at idle...

 

you will notice the white smoke when it is coler, especially when you are closer to stoic burn because the byproducts of a good burn is water. It is just water vapour you are seeing, unless you are getting oil in your coolant/boiling over coolant into the overflow I woudlnt be too worried.

 

nMeOnE - Have you got a stainless exhaust?

 

yes i do have a stainless exhasut and i can clearly see water particle around the tip of the ehxuast

 

Its normal the Pipes are cold, the exhaust is hot, when the air cools down (from the cold pipes), the air reaches a point in which it can no longer hold the same amount of moisture, (Dewpoint), Warmer air can hold more moisture then cold air, so the warm air is being cooled by the cold pipes, so what you are seeing is the moisture "vaporizing", like your warm breathe in cold air, same thing with airplane engines at high altitude, "Contrails" the moisture from the hot exhaust is vaporizing in the cold air, then freezing

 

It's just condensation that collects inside your exhaust then. When you turn the car on it blows it out as it heats up. Basically just steam then. happens to all stainless exhausts when it gets cold.

 

ok so its not white smoke but its blue smoke and it only happens sometimes at idle...

 

how high up is your tap? usually when you have backup like you mentioned in the line i noticed it smokes after you are driving and coming to a stop. But i guess it could be doing it at idle too if your tap isnt too high.

 

i had the same exact thing, except i was NA at the time with only header, exhaust, and test pipe. my car stopped doing it on its own

 

Blue smoke is a sign of oil getting into the exhaust side of your engine. It can be caused by a number of factors, to include a faulty exhaust valve stem seal or faulty turbo seal.