M57T2 only

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.

Release bolts (1).

Fig 1: Identifying Bolts

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Release bolts (1).

Bracket remove.

Tightening torque 24 71 6AZ .

Fig 1: Identifying Bracket Bolts

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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 In Sealing Sleeve

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Remove transmission oil sump. See REMOVING AND INSTALLING/SEALING OR REPLACING TRANSMISSION SUMP (GA6HP19Z) .

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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NOTE: GA6HP19Z

Release all screws (1 and 2).

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

Remove mechatronics.

Fig 6: Identifying Mechatronics Screws (GA6HP19Z)

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NOTE: GA6HP19Z TU

Release all screws (1 and 2).

1 = M6 x 59 mm
2 = M6 x 20 mm

Remove mechatronics.

Fig 7: Identifying Mechatronics Screws (GA6HP19Z TU)

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IMPORTANT: Only installed in E65!
Mechatronics without protective bar for solenoid valve must not be reused after removal.

Fig 8: Identifying Mechatronics Without Protective Bar

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IMPORTANT: Only installed in E65!
Fit/reuse only mechatronics with protective bar (1) for solenoid valve.

Fig 9: 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 10: 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 11: Identifying Transmission Screws

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NOTE: GA6HP19Z

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

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NOTE: GA6HP19Z TU

IMPORTANT: Tighten down screws in order 1...13.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Tightening torque 24 30 1AZ .

Fig 13: Automatic Transmission Valve Body (Mechatronics) Screws Tightening/Loosening Sequence

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