Installing the VTG control unit
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.
- Replace the O-rings (1).
Parts: O-rings
- Align the drive shaft (1) from the control unit to the drive flange (2) on the transmission.
- When installing, slightly turn the transfer box control unit until the drive shaft noticeably snaps in the drive flange.
- Carefully install the VTG control unit (2).
- Attach and tighten the screws (1).
TIGHTENING TORQUE SPECIFICATIONS
| VTG control unit on transfer box M8 |
Tightening torque | 25 Nm |
- Connect the connector (1) with the VTG control unit.
Follow-up work
- Refer to CONNECTING ALL BATTERY GROUND LEADS .
- Refer to CHECKING/TOPPING UP THE TRANSFER BOX OIL (ACTIVE TORQUE CONTROL 13-1) .
- Refer to INSTALLING TRANSMISSION CROSS MEMBER .