24 34 566 Replacing mechatronics

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 BMW 760Li, 2015 BMW 760Li, 2014 BMW 760Li, 2013 BMW 760Li, and 2012 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT:

It is mandatory to avoid skin contact with transmission oil and breathing in transmission oil vapors.
Wear protective gloves.
Ensure adequate ventilation

NOTE: After completing work:

Load specific data status with the BMW diagnosis system

IMPORTANT: After completion of work, CHECK GEARBOX OIL LEVEL .
Use only approved transmission oil: ATF oil Shell L12108 ; BMW part number 83 22 2 152 426 ; 20 liters
Failure to comply with this requirement will result in serious damage to the automatic transmission!

IMPORTANT: Read and comply with notes on PROTECTION AGAINST DAMAGE FROM ELECTROSTATIC DISCHARGE (ESD PROTECTION) .

Necessary preliminary tasks:

Remove rear UNDERBODY PROTECTION .

Remove panels (2).

Fig 1: Identifying Ground Strap And Panel

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Release screw (2).

Disconnect cable (1).

Installation note:

Adjusting cable:

Release screw (2).
Adjust cable by means of holder (2) until distance A ≥ 1 mm is obtained.
Tighten down nut

Fig 2: Pressing Release Lever
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IMPORTANT: Mechatronics can be destroyed by static discharges. Therefore the contacts inside the connector must not be touched. Insert special tool immediately after operation.

Fig 3: Disconnecting Connector

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Unscrew connector (1) and disconnect.

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

Fig 4: Inserting Special Tool (24 2 390) In Sealing Sleeve

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Remove TRANSMISSION OIL SUMP .

Remove oil filter (1).

Replace gasket.

Installation note:

Wet seals with transmission oil.

Fig 5: Removing Gear Oil Filter

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Release screw (1) and unlock sealing cup with slide (2).

Tightening torque 24 30 4AZ .

Fig 6: Removing Sealing Cup

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Note position of sealing cup.

Pull out sealing cup (1).

Installation note:

Fit sealing cup in position (lug on inside). Turn until lug engages in groove of transmission. Slide in sealing cup.

Lug on sealing cup must not be damaged!

Fig 7: Pulling Out Sealing Cup

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Release all screws (1 and 2).

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

Remove mechatronics.

Installation note:

Replace O-rings for oil channels and wet with automatic transmission fluid.

Fig 8: Identifying Mechatronics Mounting Screws

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Installation note:

Check gasket (1) for damage.

Replace the gasket (1) if necessary.

Coat new seal with automatic transmission fluid and install.

Fig 9: Identifying Gasket

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Screw in retaining pins 24 1 430 at screw position 4 and 9.

Fig 10: Installing Retaining Pins (24 1 430) At Screw Position

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Fit mechatronics unit.

Fit shift claw (2) in gearshift shaft (3) by pressing release lever (1).

Fig 11: Pressing Release Lever

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Screw down wing nuts as far as they will go on to the mechatronics unit.

Fig 12: Installing Mechatronics Unit Wing Nuts

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Installation note:

Insert screws until screw heads make contact.

Remove retaining pins and fit remaining screws.

IMPORTANT: Tighten down screws in order 1...18.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Tightening torque 24 30 4AZ .

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

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