00 11 229 Changing / topping up / checking gear oil in manual transmission

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Gear oil:
refer to MANUAL TRANSMISSION - OPERATING FLUIDS .
Failure to comply with this instruction will result in serious damage to the transmission!

Recycling:

Catch and dispose of gear oil with suitable equipment.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

Remove rear underbody protection. See 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION .

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
Allow gear oil to flow off sufficiently
Clean oil drain plug (1) and screw in. See OIL DRAIN PLUG TIGHTENING TORQUE .

OIL DRAIN PLUG TIGHTENING TORQUE

4AZ Oil drain plug / filler plug	Thread	Tightening specification	Measure
B / C-transmission	50 Nm
D / E-transmission	52 Nm
G / H-transmission	M18x1.5 hexagon socket	35 Nm
H / I-transmission	M12x1.5	25 Nm
I transmission	M18x1.5	Steel screw without seal	45 Nm
7-speed SMG	40 Nm

Release screw (1).

Tightening torque 40 Nm .

Check transmission oil screen, replace if necessary.

Fig 1: Identifying Drain Plug And Oil Filler Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace sealing ring

Fig 2: Identifying Sealing Ring

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 Drain Plug And 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!

Activate gear oil pump via DIS Tester.
Open oil filler plug.
Top up gear oil with pump running to lower edge of filler opening.
Refit oil filler plug.
Tightening torque, see OIL DRAIN PLUG TIGHTENING TORQUE .
Switch off pump activation.