For BMW X3 2018 M40i, xDrive30i 2.0L L4 - Gas, 3.0L L6 - Gas. for BMW X3 2019 M40i, sDrive30i, xDrive30i 2.0L L4 - Gas, 3.0L L6 - Gas. for BMW X4 2019 xDrive30i 2.0L L4 – Gas. [ Easy to Install ] 1. Confirm OE number and installation location on your old radiator reservoir hose.
