24 11 011 Removing And Installing/Sealing Or Replacing Transmission Sump (GA6HP19Z)

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. 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 fluid level. See CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6HP19Z) . Use only the approved transmission fluid. Failure to comply with this requirement will result in serious damage to the automatic transmission!

Recycling:

Catch and dispose of escaping transmission fluid.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

Remove rear underbody protection.

Remove exhaust system bracket from transmission.

Remove oil drain plug (1).

Tightening torque 24 11 6AZ .

Drain automatic transmission fluid.

Installation:

Replace oil drain plug.

Fig 1: Identifying Oil Drain Plug

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew all bolts.

Remove transmission sump (1).

IMPORTANT: Transmission with plastic oil sump
From 11/04 new bolt with M6x28.5 T40 Torx head can be retrospectively replaced.

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 .

Fig 2: Identifying Transmission Sump Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Remove gasket (1) from transmission sump.

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 3: Identifying Transmission Sump Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Replace sealing ring (1) on oil filter tube.

Fig 4: Identifying Sealing Ring

Courtesy 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 5: Locating Gasket

Courtesy of BMW OF NORTH AMERICA, INC.