Removing the radial shaft seal of the actuator shaft
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.
WARNING:
Working on 12 V electrical system.
Risk of short circuits! Risk of fire!
Risk of short circuits! Risk of fire!
- Make sure that there is no charger connected to the jump start terminal in the engine compartment.
- Detach battery ground lead from battery.
- For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
Preliminary work
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING TRANSMISSION CROSS-MEMBER .
- Remove the connector (1) from the VTG control unit.
- Release the screws (1) and remove the VTG control unit (2).
- Screw in the special tool 0 491 454 (23 0 490) into the radial shaft seal (1).
- Drive out the radial shaft seal (1) with an impact weight (2) in arrow direction.