Draining the rear differential fluid

WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly .
Danger! Immobilization period-threatening injuries!

Observe safety instructions on raising the vehicle using a vehicle hoist.
For additional information see: 00... RAISE THE VEHICLE USING A VEHICLE LIFT

WARNING: Hot surfaces .
Risk of burning!

Perform all work only on components that have cooled down.

CAUTION: Materials harmful to health .
Contact with fluids harmful to health!

Note and follow safety instructions on containers.
Conduct all work in appropriate personal protective equipment only.

NOTE: RISK OF DAMAGE
Damage to rear axle differential .
Failure to comply with the oil specifications can result in serious damage to the rear axle differential .

Only use approved oil in the rear axle differential.

NOTE: TECHNICAL INFORMATION
Always change the oil when the rear axle differential is at operating temperature.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Place oil collecting apparatus underneath.
Release the oil filler plug (1).
Drain and dispose of the rear differential fluid.
Replace (1) screw plug.
Parts: Plug

Tighten the oil filler plug (1).

Courtesy of BMW OF NORTH AMERICA, INC.

TIGHTENING TORQUE SPECIFICATIONS

Screw plug on final drive cover
M22 Replace screw plug with O-ring.	Tightening Torque	45 Nm