24 11 012 Removing and installing/sealing or replacing transmission fluid sump (AISIN)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks:

Raise engine and transmission.

NOTE: After completion of work, check transmission fluid level. See 00 11 500 CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (AISIN) .
Make a note of drained ATF quantity.
Required replenishment quantity approx. 4.5 litres.

IMPORTANT: Use only the approved automatic transmission fluid in this automatic transmission. See OPERATING FLUIDS .

Otherwise the automatic transmission may incur extensive damage!

Do not drain fluid before the transmission has cooled down.

Remove underbody protection (1).

Release screw (2).

Drain off transmission fluid.

Unscrew bolt (3).

Drain off transmission fluid.

Tightening torque 24 11 1AZ.

Installation:

Replace seals.

Fig 1: Identifying Underbody Protection

Courtesy of BMW OF NORTH AMERICA, INC.

Twist sump tube (1) out of transmission fluid sump and drain remaining transmission fluid.

Fig 2: Identifying Sump Tube

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt with Torx head (1).

Remove remaining mounting bolts from transmission fluid sump and remove sump.

Remove sump gasket.

Clean sealing surfaces.

Tightening torque 24 11 3AZ.

Installation:

Clean gasket.

Fig 3: Identifying Bolt With Torx Head

Courtesy of BMW OF NORTH AMERICA, INC.

Clean sump magnets (1) and insert in new transmission fluid sump.

Screw sump tube (2) at distance (A)

R25/R53: 50.05-50.75 mm

R56: 37.35-38.05 mm

into new transmission oil sump.

Fit oil drain plug with new seal.

Tightening torque 24 11 1AZ.

IMPORTANT: Do not tighten sump tube too tightly.

Fig 4: Identifying Sump Magnets And Sump Tube

Courtesy of BMW OF NORTH AMERICA, INC.