WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.
Coat the O-ring (1)
with front axle transmission oil.
Courtesy of BMW OF NORTH AMERICA, INC.
Position the bearing bracket (2)
at the engine oil pan.