24 34 562 Replacing mechatronics (GA6L45R)

WARNING: This page is about a different car, the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, and 2007 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

24 2 390
24 4 350

NOTE: After completing work:

Load specific data version with DIS.

IMPORTANT: After completion of work, check transmission fluid level, see 00 11 237 CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6L45R) .
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 61 35 ... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Necessary preliminary tasks:

Remove heat shields.
Support automatic transmission with hydraulic lifter.
Remove transmission cross-member.

Grip clamping sleeve (1).

Loosen nut (2).

Detach retainer (3) towards bottom using a screwdriver.

Pull cable (4) out of holder.

Installation:

Adjust selector lever.

Fig 1: Clamping Sleeve, Nut, Retainer And Cable

Courtesy 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 2: Disconnecting Plug

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Inserting Special Tool (24 2 390) In Sealing Sleeve

Courtesy of BMW OF NORTH AMERICA, INC.

Remove transmission oil sump.

Unlock sealing sleeve with slide (1).

Fig 4: Unlocking Sealing Sleeve With Slide

Courtesy 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 5: Pulling Out Sealing Sleeve

Courtesy of BMW OF NORTH AMERICA, INC.

Release all bolts (1) with special tool 24 4 350.

Remove mechatronics.

Fig 6: Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace gasket (1).

Coat new seals with automatic transmission fluid and install.

Fig 7: Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace gaskets (1).

Coat new seals with automatic transmission fluid and install.

Fig 8: Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Tighten down bolts in sequence (1 to 6).
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Tightening torque: 24 30 1AZ, see 24 30 HYDRAULIC / ELECTRIC CONTROL PARTS AND CONTROLLING ELEMENTS .

Fig 9: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.