24 34 563 Replacing Mechatronics (GA6L45R)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

24 2 390 . See 24 2 390 COVERING CAP .
24 4 350 . See 24 4 350 SOCKET, TORX SPECIAL PROFILE SECTION .

NOTE: After completing work:

Load specific data version with DIS.

IMPORTANT: After completion of work, check transmission oil 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 notes on protection against electrostatic discharge (ESD protection). See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

Necessary preliminary tasks:

Remove heat shields.
Support automatic transmission with hydraulic lifter.
Remove transmission crossmember.

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 . See 24 00 018 ADJUSTING SHIFT LEVER .

Fig 1: Identifying Clamping Sleeve, Retainer And Nut

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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

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

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

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Remove transmission oil sump . See 24 11 013 REMOVING AND INSTALLING/SEALING OR REPLACING TRANSMISSION SUMP (GA6L45R) .

Unlock sealing sleeve with slide (1).

Fig 4: Identifying Sealing Sleeve

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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

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

Remove Mechatronics.

Fig 6: Identifying Bolts

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Installation:

Replace gasket (1).

Coat new seals with automatic transmission fluid and install.

Fig 7: Identifying Automatic Transmission Gasket

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Installation:

Replace gaskets (1).

Coat new seals with automatic transmission fluid and install.

Fig 8: Identifying Automatic Transmission Gaskets

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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. See 24 30 1AZ in AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

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

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