Necessary preliminary tasks

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Remove automatic transmission

Screw special tool 24 4 000 into torque converter.

Remove torque converter.

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

Fig 1: Identifying Special Tool (24 4 000)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

When installing, do not damage 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.

Remove torque converter and set down vertically.

Fig 2: Removing Torque Converter And Set Down Vertically

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Push torque converter through shaft seal onto transmission shaft as far as it will go.

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.