24 40 015 Removing and installing/replacing torque converter (GA8HP70Z) (N63 engine, model years 2013 through 2015)

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

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 completing work, check TRANSMISSION OIL LEVEL .

Use only approved TRANSMISSION OIL .

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks:

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 (00 2 550)

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: N63: Measured value must be ≥ 25 mm.
N57: Measured value must be ≥ 15 mm.