This original BMW filtered air pipe connects the air filter box to the turbocharger inlet on the B48P engine. This intake air pipe fits 2023+ U11 X1 xDrive28i & 2024+ U10 X2 xDrive28i.
This part is listed by BMW as BMW part number 13718489424 (13-71-8-489-424) and is described as Genuine BMW Filtered Air Pipe with Resonator.
BMW Fitments:
X1 Series
U11 X1 (2023+) > X1 xDrive28i B48P (2023+)
X2 Series
U10 X2 (2024+) > X2 xDrive28i B48P (2024+)
