24 40 012 Removing and installing/replacing torque converter (AISIN)

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

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .
Use only approved OPERATING FLUID .
Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary work

Remove AUTOMATIC TRANSMISSION .

Screw special tool 24 4 260 to torque converter.

Remove torque converter.

NOTE: Do not damage radial shaft seal when removing torque converter.
Remove torque converter and set down vertically.
When torque converter is removed, transmission oil flows out.

Fig 1: Positioning Special Tool (24 4 260) To Torque Converter

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Do not damage radial shaft seal and bearing.

If the torque converter is not correctly installed, the driver of the transmission oil pump may be damaged when the transmission is flanged to the engine.

Align the torque converter in such a way that the recess on the converter hub lines up with the oil pump driver.

Installation note:

Push torque converter with special tool 24 4 260 through radial shaft seal onto transmission shaft as far as it will go.

Press torque converter by hand into converter housing. Converter hub recess must snap into place in driver of pump impeller. Torque converter must be felt to slip inwards.

Determine distance between contact surface and surface (1) of threaded hole in torque converter with special tool 00 2 550.

Fig 2: Measuring Distance Between Threaded Hole Surfaces In Torque Converter Using Special Tool (00 2 550)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Measured value must be greater than A.
MINI diesel A= 8.3 mm
Petrol/gasoline A=11.8 mm
COOPER S A= 17.5 mm

Fig 3: Identifying Distance Between Threaded Hole Surfaces In Torque Converter

Courtesy of BMW OF NORTH AMERICA, INC.