Necessary preliminary tasks

WARNING: This page is about a different variant/trim than selected.

Draining gear oil:

Open oil drain plug (1) and drain gear oil
Activate gear oil pump using DIS Tester for approx. 30 seconds
The residual oil is pumped out of the pump circuit of the transmission oil cooler into the transmission housing and flows off

Fig 1: Identifying Oil Drain Plug
Courtesy of BMW OF NORTH AMERICA, INC.
Allow gear oil to flow off sufficiently
Clean oil drain plug (1) and screw in
Tightening torque 23 00 4AZ .

Release screw (1).

Tightening torque 23 41 17AZ .

Check transmission oil screen, replace if necessary.

Installation:

Replace sealing ring

Fig 2: Identifying Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Adding gear oil.

Undo oil filler plug (2).
Pour in oil until it overflows at inspection opening.
Check gear oil level (see below).

Fig 3: Identifying Oil Filler Plug
Courtesy of BMW OF NORTH AMERICA, INC.

Checking gear oil level:

NOTE: Can also be carried out individually - without an oil change!