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 .

Make a note of drained ATF quantity.

Required replenishment quantity approx. 4.5 liters.

IMPORTANT: Use only the approved OPERATING FLUID in this automatic transmission.

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.

Release screw (3).

Drain off transmission fluid.

Tightening torque 24 11 1AZ .

Installation:

Replace seals.

Fig 1: Identifying Underbody Protection With Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Screw 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:

Replace gasket.

Fig 3: Locating Torx Head Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

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

Screw sump tube (2) into new transmission fluid sump.

Measurement A:

R56, R55, R57: 37.35-38.05 mm

Tightening torque 24 11 1AZ .

IMPORTANT: Do not tighten sump tube too tightly.

Fig 4: Identifying Sump Magnets And Tube

Courtesy of BMW OF NORTH AMERICA, INC.