Pipe repair on self-levelling suspension

[stumbler]

I have just got under my 250td and discovered that the steel pipe that winds its way around the rear suspension and feeds the oil to the self-levelling suspension control system has rusted away and burst.

I doubt very much it is possible (i may be wrong?) to thread a new one on because of the contortions this one has had to endure to avoid the suspension.

so presuming i am right, how does one repair this: are there copper replacements that can be bent appropriately, or can one do with a rubber replacement?

are these parts available or do they have to be made up with special tools to attach the appropriate nuts and threads etc.

many thanks

stumbler