Boost Line
The L shaped one had two hose clamps one around the turbo and one around the BPV.
Id imagine less than 20 bucks for the L shaped one and like less than a dollar for the 5mm or so line given the length.
The only other line that isn't the 5mm boost line connects to the air intake duct, and never touches the turbo, and based on your description it rules that one out.
Can someone hook this guy up with a PN from ETKA? The line in question is in the Bently Manual page B 21-6 item 15 (assuming you engine code is AEB or ATW) If your engine code is AWM its on C 21-5 item 14.
There is really no sense in paying a mechanic for something like this. If you have the most basic of tools you can do this one. The line comes off the turbo by loosening the hose clamp, same with the BPV, just loosen the hose clamp. Don't let its location near the turbo freak you out.



