I have a 2005 B7 2.0T FWD.
Last Monday I started the car in the morning to a nasty noise from the front at idle. Sounded like a fan blade catching on something, frequency increased with revs and then disappeared after 5 mins driving.
Checked oil level and was at minimum so topped up. Noise didn't occur again.
This morning, same again. Oil level is fine.
Checked around including fan and all seems ok.