LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2009 >> 135i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 986 (Automatic Transmission - Repair) >> Transmission Case, Oil Sump >> 24 11 013 Removing And Installing/Sealing Or Replacing Transmission Sump (GA6L45R)

24 11 013 Removing And Installing/Sealing Or Replacing Transmission Sump (GA6L45R)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. 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 00 11 237 CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6L45R) . 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. See 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION .

Remove exhaust system bracket from transmission.

Remove oil drain plug (1).

Tightening torque. See 24 11 6AZ in 24 11 TRANSMISSION HOUSING, TRANSMISSION OIL SUMP .

Drain automatic transmission fluid.

Installation: 

Replace oil drain plug.

Fig 1: Identifying Oil Drain Plug
G04726112Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew all bolts.

Remove transmission sump (1).

Installation: 

Screw in bolts (1 to 17) in specified order until bolt heads make contact.

Tightening torque. See 24 11 5AZ in 24 11 TRANSMISSION HOUSING, TRANSMISSION OIL SUMP .

Fig 2: Transmission Oil Sump Bolts Tightening/Loosening Sequence
G04726113Courtesy of BMW OF NORTH AMERICA, INC.

Clean sump magnet (1) and check for metal filings/borings.

Remove gasket (2) 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 Sump Magnet And Gasket
G04726114Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Fig 4: Locating Gasket Hole
G04726115Courtesy of BMW OF NORTH AMERICA, INC.