Installing the mechatronics
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
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:
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.
- Replace pressure pipe.
Parts: Pressure pipe
- Install pressure pipe (1).
- Fit mechatronics unit.
- Feed the shifting claw (1) into the gearshift shaft (2).
- Install mechatronics.
- Tighten wing nuts (1) of the special tool 0 496 715 (24 1 430) alternately until the mechatronics is applied to the transmission.
- Position the screws (1) and slightly tighten.
- Pull the pin of the selector shaft (1) with the special tool 2 355 850 (3) downward in the arrow direction.
- Remove the special tool 2 355 850 (2) in the arrow direction.
NOTE:
TECHNICAL INFORMATION
Note the original installation position of the output RPM sensor.
Observe the correct installation position when installing the output RPM sensor.
Note the original installation position of the output RPM sensor.
Observe the correct installation position when installing the output RPM sensor.
NOTE:
TECHNICAL INFORMATION
The tappet on the output RPM sensor may break off during removal or installation.
The tappet on the output RPM sensor may break off during removal or installation.
- Attach output RPM sensor (3) carefully and slide onto the stop.
- Position the screws (2) and slightly tighten.
- Loosen wing nuts.
- Remove the special tool 0 496 715 (24 1 430) .
- Position the screws (1) and slightly tighten.
- Replace the sealing sleeve (1).
Parts: Sealing sleeve
- Carefully insert the sealing sleeve (1).
The lug must be in the inner surface.
- Turn the sealing sleeve (1) until the lug is inserted in the groove of the transmission.
- Slide in sealing sleeve (1) up to the stop.
The lug on the sealing sleeve must not be damaged!
- Remove the special tool 0 494 213 (24 2 390) .
- Lock the sealing sleeve with the slide (2).
- Position the screw (1) and slightly tighten.
- Insert the connector (1) in the arrow direction.
- Lock the connector (1) by turning in the arrow direction.
- Replace screws.
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.
When assembling, it is essential to observe screwing sequences and tightening torques.
Non-compliance with the regulations can lead to damage.
- Tighten the screws in order from (1) to (17).
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