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24 34 562 Replacing Mechatronics (GA6HP19Z TU) (N54)

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Special tools required: 

NOTE: After completing work:
IMPORTANT:

After completion of work, check TRANSMISSION OIL LEVEL .

Use only approved TRANSMISSION OIL .

Failure to comply with this instruction will result in serious damage to the transmission. 

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks: 

Remove plates (2).

Fig 1: Identifying Retaining Plate
G09913918Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten nut.

Disconnect cable (1).

Installation note: 

Adjusting cable:

Fig 2: Locating Cable Nut
G06889506Courtesy of BMW OF NORTH AMERICA, INC.

Secure lever (1) with a cable tie (2) or wire in vertical position.

Fig 3: Securing Lever Using Cable Tie
G04726143Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Mechatronics can be destroyed by static discharges. Therefore the contacts inside the plug must not be touched. Insert special tool immediately after work step.

Unscrew plug (1) and disconnect.

Fig 4: Disconnecting Plug
G04726084Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Inserting Special Tool 24 2 390 In Sealing Sleeve
G04726133Courtesy of BMW OF NORTH AMERICA, INC.

Remove TRANSMISSION OIL SUMP .

Unlock sealing sleeve with slide (1).

Fig 6: Unlocking Sealing Sleeve
G04726136Courtesy of BMW OF NORTH AMERICA, INC.

Note position of sealing sleeve.

Pull out sealing sleeve (1).

Installation note: 

Screw in sealing sleeve partially (lug in upper area). Turn until lug engages in groove of transmission. Slide in sealing sleeve.

Lug on sealing sleeve must not be damaged! 

Fig 7: Pulling Out Sealing Sleeve
G04726137Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: GA6HP19Z TU

Release all screws (1 and 2).

Remove Mechatronics.

Fig 8: Identifying Mechatronics Screws
G04726149Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check gaskets (1 and 2) for damage, replace gaskets if necessary.

Coat new seals with automatic transmission fluid and install.

Fig 9: Identifying Gaskets
G04726152Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Insert screws (3) alternately until contact is made with each screw head.

Insert all further screws contact is made with each screw head.

Fig 10: Identifying Screw Head Screws
G04726153Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: GA6HP19Z TU
IMPORTANT:

Tighten down screws in order 1...13.

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

Tightening torque 24 30 1AZ .

Fig 11: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence
G06175576Courtesy of BMW OF NORTH AMERICA, INC.
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