24 11 014 Removing and installing/sealing or replacing transmission oil sump (GA8HP45Z) (N20, N26)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT:

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

IMPORTANT: Remove transmission oil sump only after it has cooled down.
After completion of repair work, check TRANSMISSION OIL LEVEL .
USE ONLY 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 tasks:

Remove rear UNDERBODY PROTECTION .

Release screw (1).

Take off holder (2).

Fig 1: Identifying Holder Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 24 11 6AZ .

Remove heat shield (2).

Fig 2: Identifying Heat Shield Screw

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Remove oil drain plug (1).

Tightening torque 24 11 2AZ .

Drain automatic transmission oil.

Fig 3: Identifying Oil Drain Plug

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Recycling:

Catch and dispose of escaping transmission oil.

Observe country-specific waste disposal regulations.

Unscrew all bolts.

Remove transmission oil sump.

Installation note:

Renew transmission oil sump.

Clean the contact surface of the transmission oil sump on the transmission.

Installation note:

Insert new screws until screw heads make contact.

Screw in the screws in the order 1 to 13 to the proper torque and angle of rotation.

Tightening torque 24 11 4AZ .

Fig 4: Transmission Oil Sump Bolts Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Aluminum screws/bolts must be replaced every time they are released.
Jointing torque and angle of rotation must be observed without fail (risk of damage).