24 11 014 Removing and installing/sealing or replacing transmission oil sump (GA8HP45Z) (N55 engine)

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IMPORTANT:

Do not let skin come in contact with gearbox oil and do not inhale gearbox oil vapors.
Wear protective gloves.
Ensure adequate ventilation

IMPORTANT:

Remove transmission oil sump only after it has cooled down.

After completing work, check TRANSMISSION OIL LEVEL .

Use only the approved TRANSMISSION OIL .

Failure to comply with this requirement will result in serious damage to the automatic transmission.

Installation note:

The transmission oil sump must be renewed every time it is removed.

Necessary preliminary work:

Remove rear UNDERBODY PROTECTION .

If applicable, remove retaining plates (2).

Fig 1: Identifying Retaining Plate

Courtesy of BMW OF NORTH AMERICA, INC.

Remove oil drain plug (1).

Tightening torque: 24 11 2AZ .

Drain automatic transmission oil.

Fig 2: Transmission Oil Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Recycling:

Catch and dispose of escaping transmission oil.

Observe country-specific waste disposal regulations.

Unscrew all bolts.

Remove and replace transmission oil sump.

Installation note:

Insert new screws until screw heads make contact.

Tighten down screws in sequence 1...13 to specified torque and angle of rotation.

Tightening torque: 24 11 4AZ .

IMPORTANT:

Aluminum screws/bolts must be replaced each time they are released .

Jointing torque and angle of rotation must be observed without fail (risk of damage) .

Fig 3: Transmission Oil Sump Bolts Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.