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24 34 565 Replacing mechatronics (GA8HP70Z)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. 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
NOTE: After completing work:
  • Load specific data status with the BMW diagnosis system
IMPORTANT: In vehicles with Automatic Start/Stop,  an oil reservoir is installed in the mechatronics.
After completion of the repair work, CHECK GEARBOX OIL LEVEL .
Use only approved gearbox oil. See AUTOMATIC TRANSMISSION -- OPERATING FLUIDS or DUAL-CLUTCH TRANSMISSION -- OPERATING FLUIDS .
Failure to comply with this requirement will result in serious damage to the automatic transmission!
IMPORTANT: Read and comply with notes on protection against damage from electrostatic discharge (ESD protection).

Necessary preliminary tasks: 

Remove panels (2).

Fig 1: Identifying Panels And Exhaust Bracket
G06889433Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Mechatronics can be destroyed by static discharges. Therefore the contacts inside the connector must not be touched. Insert special tool immediately after operation.

Unscrew connector (1) and disconnect.

Fig 2: Removing Connector
G09848209Courtesy of BMW OF NORTH AMERICA, INC.

Insert special tool 24 2 390 in sealing cup (1).

Fig 3: Inserting Special Tool 24 2 390 In Sealing Cup
G09848385Courtesy of BMW OF NORTH AMERICA, INC.

Remove TRANSMISSION OIL SUMP .

Remove oil reservoir.

Release screw (1) and unlock sealing cup with slide (2).

Tightening torque: 24 30 4AZ .

Fig 4: Removing Sealing Cup
G08488059Courtesy of BMW OF NORTH AMERICA, INC.

Note position of sealing cup.

Pull out sealing cup (1).

Installation note: 

Replace sealing cup (1).

Fit sealing cup in position (lug on inside). Turn until lug engages in groove of transmission. Slide in sealing cup.

Lug on sealing cup must not be damaged! 

Fig 5: Pulling Out Sealing Cup
G09848440Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Only for vehicles without oil reservoir.

Release all screws (1 and 2).

Remove mechatronics.

Installation note: 

Replace all screws (1 and 2).

Fig 6: Identifying Screws
G08488061Courtesy of BMW OF NORTH AMERICA, INC.

Replace O-rings for oil ducts on the mechatronics unit and wet with automatic transmission fluid.

IMPORTANT: Only for vehicles with oil reservoir.

Release all screws (1 and 2).

Carefully remove mechatronics.

Installation note: 

Replace all screws (1 and 2).

Replace O-rings for oil ducts on the mechatronics unit and wet with automatic transmission fluid.

Fig 7: Identifying Mechatronics Screws
G08488062Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Replace gasket (1).

Coat new gasket with automatic transmission fluid and install.

Fig 8: Identifying Gasket
G08488063Courtesy of BMW OF NORTH AMERICA, INC.

Screw in guide pins 24 1 430 at screw position 4 and 9.

Fig 9: Identifying Special Tool 24 1 430
G08488064Courtesy of BMW OF NORTH AMERICA, INC.

Fit mechatronics unit.

Fit shift claw (2) in gearshift shaft (3) by pressing release lever (1).

Fig 10: Fitting Shift Claw
G08488065Courtesy of BMW OF NORTH AMERICA, INC.

Screw down wing nuts as far as they will go on to the mechatronics unit.

Fig 11: Identifying Special Tool 24 1 430 To Mechatronics Unit
G08488066Courtesy of BMW OF NORTH AMERICA, INC.

Observe different screw lengths.

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

Installation note: 

Insert screws 8 and 14 until screw heads make contact.

Remove guide pins and fit remaining screws.

Tighten screws in sequence 1....18.

Tightening torque: 24 30 4AZ .

Fig 12: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence
G08488067Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: In vehicles with an oil reservoir, the screw 17 (M6 x 59 mm) must be secured with the oil reservoir.
Tighten in the order of 1...16 and 18.
Tightening torque: 24 30 4AZ .

Installation note: 

Install oil reservoir if necessary.