00 11 500 GA8HP70Z Checking/topping up oil level in automatic transmission (GA8HP45Z, GA8HP50Z, GA8HP90Z)

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Special tools required:

2 405 614

IMPORTANT:

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

IMPORTANT: Use only the approved transmission oil .
To set the correct level, it is mandatory that the service function "Transmission control unit: oil adjustment" is performed using the diagnosis system.
Failure to comply with this requirement will result in serious damage to the automatic transmission.
Conditions for the oil adjustment:

Initial condition: Transmission oil temperature 30 ° C to 40 °C
Final condition: Transmission oil temperature 40 ° C to 50 °C

IMPORTANT: Transmission GA8HP70Z with N57 engine from 03/2011!!
Precondition for oil adjustment

Transmission oil temperature 30°C to maximum 40°C.

(The transmission oil temperature must be maintained. This will increase the oil quantity in the transmission.)

Performing oil-level adjustment:

An oil-level adjustment is necessary for certain fault code entries in the automatic transmission and after repair (e.g. mechatronic replacement, converter replacement, transmission replacement).

Connect diagnosis and information system.
Service function (transmission control unit: Oil adjustment) call up
Carry out oil level check in accordance with instructions

Adding transmission oil:

Stand vehicle on a level surface and secure against rolling off.

Release oil filler screw (1) by means of special tool 2 405 614.

Add automatic transmission fluid according to instructions in the BMW diagnosis system.

Fig 1: Releasing Oil Filler Screw

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: When using special tool 2 405 614, the setpoint torque deviates from the torque to be set.

Conversion of setpoint torque -> torque to be set:

(setpoint torque x L1): L2 =torque to be set.

L1 = Length of handle center to the ratchet head.

L2 = Length of the handle center to the action point of special tool.

Desired tightening torque: 24 11 3AZ

Fig 2: Identifying Length Of Handle Center To Ratchet Head

Courtesy of BMW OF NORTH AMERICA, INC.

Parts: Replace oil filler plug and sealing ring.

NOTE: Special tool (1) and torque wrench must be aligned in a line at the time of tightening.

Tighten down oil filler plug using

Special tool 2 405 614.
Torque wrench

Fig 3: Tightening Down Oil Filler Plug
Courtesy of BMW OF NORTH AMERICA, INC.