24 34 561 Replacing Mechatronics (GA6HP26Z/6HP32Z)

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Special tools required:

24 2 390

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 . See AUTOMATIC 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 electrostatic damage (ESD protection) . See 61 35 ... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE)

Necessary preliminary tasks:

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

Remove exhaust system at manifold and lower.
Release cross-member from exhaust system on transmission.
Remove left and right heat shields . See 24 00 023 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION (6HP26Z/6HP32Z)
Remove transmission cross-member . See 22 32 050 REPLACING CROSS-MEMBER FOR TRANSMISSION MOUNTING

NOTE:

E65, E70 only:

Unfasten nut.

Remove cable (1).

Installation:

Adjusting cable:

Release nut
Adjust cable by means of holder (2) until spacing A = 1 mm is obtained
Tighten down nut

Fig 1: Locating Nut
Courtesy of BMW OF NORTH AMERICA, INC.

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 & Slacken Nut

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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

Fig 3: Releasing Shift Cable Head

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

NOTE: Illustration shows E65.

Fig 4: Identifying Lever

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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 5: Unscrewing Plug

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

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

Fig 6: Identifying Special Tool (24 2 390)

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Unlock sealing sleeve with slide (1).

Fig 7: Unlocking Sealing Sleeve With Slide

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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 8: Pulling Out Sealing Sleeve

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Release all screws (1 and 2).

1 = M6 x 58 mm
2 = M6 x 20 mm

Remove mechatronics.

Fig 9: Identifying Mechatronics Screws

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IMPORTANT:

E65/66 only:

Mechatronics without protective bar for solenoid valve must not be reused after removal.

Fig 10: Identifying Mechatronics

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IMPORTANT:

E65/66 only:

Fit/reuse only mechatronics with protective bar (1) for solenoid valve.

Fig 11: Identifying Mechatronics With Protective Bar

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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

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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: Inserting Screws

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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 24 30 1AZ . See 24 30 HYDRAULIC/ELECTRIC CONTROL PARTS AND CONTROLLING ELEMENTS

Fig 14: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.