Silicone Vacuum Hose Pipe Water Air Dump Valve Turbo Boost Tube BMW VW Mercedes
However the side wall of the silicone pipe is 3mm making it more thicker. Replaces 3.5mm x 2.0mm cotton braided vacuum hose for BMW e90, e91, e92 and e93 (and other makes and models). Resulting in the first turbo not functioning.