Back piece from a sudden released even with Z-index of 12 with lightest movement after 1.5 years
Front piece pin springs of front piece got after 1.5 years so weak that pins did not hold in shoe (different binding than the one with back piece problem)
Hey thanks - it was not about the screws the person brought the ski back to the shop and they handed in to G3 with response “no issue found” what was quite not the answer expected. we changed then to more robust models of other vendors as it was anyhow out of warrenty.