Replace the lower oil sump section

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.

Loosen nuts (1).
Remove oil-level sensor (2).
If applicable, remount the oil drain plug.

Courtesy of BMW OF NORTH AMERICA, INC.
Replace the lower oil pan section.
Parts: Lower oil sump section

Prepare the oil-level sensor
Replace sealing ring (1).
Parts: Sealing ring

Courtesy of BMW OF NORTH AMERICA, INC.