24 34 561 Replacing Mechatronics (GA6HP26Z/6HP32Z)

WARNING: This page is about a different variant/trim than selected.

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) .
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. See 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N52K) .
Release crossmember from exhaust system on transmission.
Remove left and right heat shields.
Remove transmission crossmember.

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

NOTE: Illustration shows E65.

Fig 1: Identifying Lever And Cable Tie

G04794193

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: Identifying Plug

G04794184

Courtesy 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) .

Fig 3: Identifying Special Tool (24 2 390)

G04794185

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock sealing sleeve with slide (1).

Fig 4: Identifying Sealing Sleeve With Slide

G04794196

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: Identifying Sealing Sleeve

G04794189

Courtesy of BMW OF NORTH AMERICA, INC.

Release all screws (1 and 2).

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

Remove mechatronics.

Fig 6: Identifying Screws

G04726148

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: E65/66 only:
Mechatronics without protective bar for solenoid valve must not be reused after removal.

Fig 7: Identifying Protective Bar And Solenoid Valve

G04794199

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: E65/66 only:
Fit/reuse only mechatronics with protective bar (1) for solenoid valve.

Fig 8: Identifying Protective Bar

G04794200

Courtesy 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 9: Identifying Gaskets

G04794201

Courtesy 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 10: Identifying Screws

G04794202

Courtesy 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 24 30 1AZ .

Fig 11: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence

G04794203

Courtesy of BMW OF NORTH AMERICA, INC.