Need help identifying hard fuel line

[AutoBond]

Hello! I'm in the process of replacing a rusty fuel tank and need help identifying a hard fuel line. I looked on Real Oem under fuel supply and can't seem to locate it. Attached are some photos. It starts at the top of the fuel tank and extends all the way to the front of the car. When I took the hose off there was some rust on the inside of the line, so I feel like I need to replace it. Could someone tell me what part this is and function? Thanks!

[mlytle]

vapor return line? item #11 here.

https://www.realoem.com/bmw/enUS/sho...diagId=16_0107

where does it end in the engine compt? left wing near vapor canister?

[AutoBond]

Thanks for the reply! It does end in the engine compartment. Here is a photo. Vapor return line would make sense since I know where the feed line and return lines are.

[AutoBond]

The vapor return line in the search results looks just like the part. Mystery solved. Thank you very much!!

[mlytle]