The easiest and best option is Nylon. I replaced a forum member digieditny's rusty pinhole leaking supply line in less than 1 hour, without spilling any fuel. Left the old line in place and zip tied the Nylon line to it.

I'd consider Nylon to be superior to Aluminum for this application.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked