24 34 564 Replacing Mechatronics (GA8HP45Z)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

IMPORTANT:

Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
Wear protective gloves.
Ensure adequate ventilation.

NOTE: After completing repair work:

Load specific data status with the BMW diagnosis system.

IMPORTANT: On vehicles with automatic start/stop, a hydraulic impulse storage is installed in the mechatronics.
After completion of repair work, CHECK TRANSMISSION OIL LEVEL .
Use only approved transmission oil .
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: Ground Strap And Retaining Plates

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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.

Unscrew connector (1) and disconnect.

Fig 2: Disconnecting Automatic Transmission Connector

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

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

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Remove transmission oil sump . See 24 11 014 REMOVING AND INSTALLING/SEALING OR REPLACING TRANSMISSION OIL SUMP (GA8HP45Z) .

Remove OIL RESERVOIR .

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

Tightening torque: 24 30 4AZ .

Fig 4: Sealing Cup And Screw

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Note position of sealing cup.

Pull out sealing cup (1).

Installation note:

Replace sealing cup (1).

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 5: Pulling 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:

Release all screws (1 and 2).

Replace O-rings for oil ducts on the mechatronics unit and wet with automatic transmission fluid.

Fig 6: Mechatronics Screw

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IMPORTANT: Only for vehicles without oil reservoir.

Installation note:

Replace gasket (1).

Coat new seal with automatic transmission fluid and install.

Fig 7: Automatic Transmission Fluid Gasket

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IMPORTANT: Only for vehicles with oil reservoir.

Release all screws (1 and 2).

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

Carefully remove mechatronics.

Installation note:

Replace all screws (1 and 2).

Replace O-rings for oil ducts on the mechatronics unit and wet with automatic transmission fluid.

Fig 8: Mechatronics Screws

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

Fig 9: Guide Pins (24 1 430)

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Fit mechatronics unit.

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

Fig 10: Fitting Shift Claw In Gearshift Shaft By Pressing Release Lever

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

Fig 11: Special Tool (24 1 430)

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Observe different screw lengths.

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Installation note:

Insert screws 8 and 14 until screw heads make contact.

Remove guide pins and fit remaining screws.

Tighten down screws in order 1...18.

Tightening torque: 24 30 4AZ .

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

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IMPORTANT: In vehicles with an oil reservoir, the screw 17 (M6 x 59 mm) must be secured with the oil reservoir .
Tighten in the order of 1...16 and 18.
Tightening torque: 24 30 4AZ .

Installation note:

Install OIL RESERVOIR if necessary.