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Home >> BMW >> 2024 >> M240i >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Automatic Transmission -- Repair M4 (G82 & G83)) >> 24 34 Shift Valves, Parking Lock >> 24 34 559 Remove and install/replace mechatronics (after vehicle diagnosis) (M4 2021-2023) >> Installing the mechatronics

Installing the mechatronics

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NOTE: RISK OF DAMAGE 
Damage to the automatic transmission after removal of the mechatronics  .
Serious damage to the automatic transmission due to non-compliance with the following tasks: 
  • Load specific data status with the diagnostic system.
  • Use only approved transmission oil.
  • After completion of repair work, check the transmission oil level.
G11105453Courtesy of BMW OF NORTH AMERICA, INC.
G11105455Courtesy of BMW OF NORTH AMERICA, INC.
G12702578Courtesy of BMW OF NORTH AMERICA, INC.
G12702579Courtesy of BMW OF NORTH AMERICA, INC.
G11105458Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: TECHNICAL INFORMATION 
Note the original installation position of the output RPM sensor.
Observe the correct installation position when installing the output RPM sensor.
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NOTE: TECHNICAL INFORMATION 
The tappet on the output RPM sensor may break off during removal or installation.
G11105172Courtesy of BMW OF NORTH AMERICA, INC.

The lug on the sealing sleeve must not be damaged! 

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G11080592Courtesy of BMW OF NORTH AMERICA, INC.

Parts:  Screws

NOTE: TECHNICAL INFORMATION 
When assembling, it is essential to observe screwing sequences and tightening torques.
Non-compliance with the regulations can lead to damage.
Fig 1: Transmission Mechatronics Screws Tightening Sequence
G12702590Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Mechatronics to transmission 
M6x59, M6x20 Replace screws. tightening torque  8 Nm
TIGHTENING TORQUE SPECIFICATIONS

Output RPM sensor to transmission (position 17) 
M6x20 Replace screw. Joining torque 
Angle of rotation 
4 Nm
12°

Follow-up work