BMW B58 Boost Pipes Skoda > Fabia > 5J 2007-2014 > 1.2 TSI access the valve piston by

access the valve piston by removing the 3 cap screws at the base of the valve and simply clean the piston chamber using brake cleaner or similar cleaning fluid before installing the new spring and piston

1 x 2000mm x 4mm Vacuum Tube

please study the pictures below

5mm (1/4")

smoother transition between the turbo inlet hose and compressor housing inlet

BMW B58 Boost Pipes Skoda > Fabia > 5J 2007-2014 > 1.2 TSI access the valve piston byReplaces BMW OEM Part 13718601684 The Forge free flowing charge pipe kit will increase flow and improve the reliability of your B58 engine from BMW. These high quality aluminium pipes are a direct replacement and will fit in place of the OEM plastic pipe. The OEM pipe can become brittle and fail under increased boost pressure, so we have developed a replacement with an increased diameter, which helps to reduce turbulence and maximize flow into the