This original BMW coolant shut-off valve controls coolant flow from the cylinder head to the coolant reservoir on G20 330i, G22/G23/G26 430i, U11 X1 28i/M35i, U10 X2 28i/M35i, G60 530i models with the B48P or B48R 4-cylinder engine.
This part is listed by BMW as BMW part number 11519896405 (11-51-9-896-405) and is described as Genuine BMW Coolant Shut-Off Valve for Cylinder Head to Expansion Tank.
BMW Fitments:
X1 Series
U11 X1 (2023+) > X1 xDrive28i B48P (2023+)
U11 X1 (2023+) > X1 xDriveM35i B48R (2023+)
X2 Series
U10 X2 (2024+) > X2 xDrive28i B48P (2024+)
U10 X2 (2024+) > X2 xDriveM35i B48R (2024+)