24 40 015 Removing and installing/replacing torque converter (GA8HP70Z) (N63)

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Special tools required:

IMPORTANT:

Do not let skin come in contact with transmission oil and do not inhale transmission oil vapors.
Wear protective gloves.
Ensure adequate ventilation

IMPORTANT: After completion of repair work, check transmission oil level. Refer to CHECKING TRANSMISSION FLUID LEVEL .
Use only approved transmission oil. Refer to APPROVED AUTOMATIC TRANSMISSION FLUIDS FOR INITIAL FILLINGS AND CORRECTING FLUID LEVELS .
Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary work

Remove AUTOMATIC TRANSMISSION .

Fit special tool 24 1 440 in torque converter.

Remove torque converter.

NOTE: When torque converter is removed, transmission oil flows out.
Place torque converter vertically.

Fig 1: Removing Torque Converter Using Special Tool (24 1 440)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

When installing, do not damage radial shaft seal and bearing.

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

Installation note:

O-ring on drive shaft, must be replaced when exchanging the torque converter.

Push torque converter through radial shaft seal onto transmission shaft to the limit position.

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

Fig 2: Measuring Distance Between Contact Surface And Hole Outer Edge In Torque Converter Using Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

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

NOTE: The measured value must be ≥ 25 mm.