BMW X3 Service & Repair Manual: Checking/topping up oil level in automatic transmission (GA8HP45Z, GA8HP50Z, GA8HP90Z)

BMW X3 Service & Repair Manual / Transmission / Transmission in general / Checking/topping up oil level in automatic transmission (GA8HP45Z, GA8HP50Z, GA8HP90Z)

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 º C to 40 ºC
  • Final condition: Transmission oil temperature 40 º C to 50 ºC

IMPORTANT: Transmission GA8HP70Z with N57 engine from 03/2011!!

Precondition for oil adjustment

  • Transmission oil temperature 30ºC to maximum 40ºC.

(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.

Undo oil filler plug (1).

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

Transmission

Installation note:

Replace sealing ring/oil filler plug Tighten down oil filler plug using

  1. Hexagon socket wrench AF 8
  2. Torque wrench
  3. Socket AF 8

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