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24 34 561 Replacing Mechatronics (GA6HP26Z/6HP32Z)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

NOTE: After completing work:
  • Load specific data version with DIS.
IMPORTANT: After completion of work, check transmission oil level  . See 00 11 500 CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6HP26Z/6HP32Z) .
Use only approved transmission fluid  .
Failure to comply with this requirement will result in serious damage to the automatic transmission!
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection)  .

Necessary preliminary tasks: 

E60/ E61/ E63/ E64, E70 N62 only:

NOTE: E65, E70 only:
Unfasten nut.
Remove cable (1).

Installation: 

Adjusting cable:

NOTE: E60/ E53 only:
Grip clamping sleeve (1) and slacken nut (2).
Detach retainer (3) towards bottom using a screwdriver.
Pull cable (4) out of holder.

Installation: 

Adjust selector lever  . See 24 00 018 ADJUSTING SELECTOR LEVER (A5S 360R / 390R, A4S 200R, 6HP26Z/19Z) .

Fig 2: Identifying Clamping Sleeve, Retainer And Nut
G04726075Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: E60/E61, E90/91 AWD only.
Release screw (1).
Remove clamp (2).
Release shift cable head (3) using a screwdriver from ball head of shift cable lever.

Installation: 

Adjust selector lever  . See 24 00 018 ADJUSTING SELECTOR LEVER (A5S 360R / 390R, A4S 200R, 6HP26Z/19Z) .

Fig 3: Identifying Screw, Clamp And Shift Cable Head
G04726141Courtesy of BMW OF NORTH AMERICA, INC.

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

NOTE: Illustration shows E65.
Fig 4: Identifying Lever And 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 5: Disconnecting Plug
G04726084Courtesy of BMW OF NORTH AMERICA, INC.

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

Remove transmission oil sump  . See 24 11 010 REMOVING AND INSTALLING/SEALING OR REPLACING TRANSMISSION SUMP (GA6HP26Z/6HP32Z) .

Fig 6: Inserting Special Tool (24 2 390)
G04726133Courtesy of BMW OF NORTH AMERICA, INC.

Unlock sealing sleeve with slide (1).

Fig 7: Unlocking Sealing Sleeve
G04726136Courtesy of BMW OF NORTH AMERICA, INC.

Note position of sealing sleeve.

Pull out sealing sleeve (1).

Installation: 

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 8: Pulling Out Sealing Sleeve
G04726137Courtesy of BMW OF NORTH AMERICA, INC.

Release all screws (1 and 2).

Remove mechatronics.

Fig 9: Identifying Screws
G04726148Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: E65/66 only: 
Mechatronics without protective bar for solenoid valve must not be reused after removal.
Fig 10: Identifying Mechatronics Without Protective Bar
G04727628Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: E65/66 only: 
Fit/reuse only mechatronics with protective bar (1) for solenoid valve.
Fig 11: Identifying Mechatronics With Protective Bar
G04726151Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Coat new seals with automatic transmission fluid and install.

Fig 12: Identifying Gaskets
G04726152Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

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

Fig 13: Identifying Screws
G04726153Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Tighten down screws in order 1...10.
Failure to comply with this requirement will result in serious damage to the automatic transmission!

Tightening torque. Refer to AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

Fig 14: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence
G04726154Courtesy of BMW OF NORTH AMERICA, INC.
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