The braided line is available in bulk and cut to length. The # is 615 476 03 26. One unit is 1meter, the hose you need is 340mm and is the last of the series of return loops from each injector. The loops are 165mm (so says the parts book anyway). The stuff is cheap and doesn't remove well (it can't be removed and reattached). The rest of the lines will be tough to get to.

Work with great care around the hard plastic lines. We have found that once you start repairing the o-ring seals in one they all wind up leaking after being brushed against.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician