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24 11 010 Removing and installing/sealing or replacing transmission sump (GA6HP26Z/6HP32Z)

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Remove transmission sump only after it has cooled down.
After completion of work, check transmission oil level   .
Use only the approved transmission fluid  . See AUTOMATIC TRANSMISSION - OPERATING FLUIDS .
Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks: 

E60/E61/E63/E64 only:

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

Fig 1: Identifying Transmission Underguard
G05511248Courtesy of BMW OF NORTH AMERICA, INC.

Remove oil drain plug (1).

Tightening torque: 24 11 6AZ  . See AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

Drain automatic transmission fluid.

Installation: 

Replace oil drain plug.

Fig 2: Identifying Oil Drain Plug
G05511249Courtesy of BMW OF NORTH AMERICA, INC.

Recycling: 

Catch and dispose of escaping transmission fluid.

Observe country-specific waste-disposal regulations.

Unscrew all bolts.

BMW ALPINA B7 version.

Aluminum transmission sump with extending cooling fins.

Remove transmission sump (1).

IMPORTANT: GA6HP26Z plastic oil sump version only.
From 10/04 new M6x28.5 T40 Torx bolt can be retrospectively replaced.
Fig 3: Identifying Transmission Sump And Bolts
G05511250Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Insert screws (2) until screw heads make contact.

Insert all further screws in diagonal sequence from inside to outside until screw heads make contact.

Tightening torque: 24 11 5AZ  . See AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

Remove gasket (1) from transmission sump.

Clean transmission oil sump to remove residual oil.

Clean sealing faces and groove with a cloth.

Insert new gasket in transmission sump groove.

IMPORTANT: Do not degrease transmission sump with cleaning agent.
Fig 4: Identifying Transmission Sump Gasket
G05511251Courtesy of BMW OF NORTH AMERICA, INC.

Replace sealing ring (1) on oil filter tube.

Fig 5: Identifying Sealing Ring (1) On Oil Filter Tube
G05511252Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

The gasket is correctly installed when it is engaged in the locating opening of the transmission sump.

Fig 6: Locating Transmission Sump Bolts
G05511253Courtesy of BMW OF NORTH AMERICA, INC.