Hello and my father has the snare full of his 5ender so the following problem and that he has with standgas already 1.2bar charging pressure and from approx.2000 rotations also strongly audible (pipes) was renewed already in the workshop AGR valve charging pressure sensor at the two things actually started everything so on was cleaned -2x charging pressure hoses – intake manifold cleaned -AGR system blind made and decoded -Kat at the turbo empty -pre-smuffler empty -overboost valve exchanged with another 20v -LMM also exchanged with another 20v -Turbo was sent and was regenerated (after that still the same problem) -bolts and manifold seal is also new unfortunately my father jetz really the snare can help me here thanks already