Guys today I probed further into my 99 PSD and took off my air from the DIY air intake to the turbo. I notice that there was residule of oil in the hose and in he turbo. Is this normal? I am almost 100% sure this part has never been taken off. The motor hads 217k miles and I did not think it was a bad build up for that many miles. I cleaned it all out and put it back together. I did check the tubo wheel and noticed it was nice and tight but did see that there were nicks on it. That will affect my performance will it not? Can I just change the wheel if so how much work is in changing the wheel? Or do I have to change the whole turbo? Some info guys will help. No mods yet...