Removing the hydraulic cylinder of the convertible top cover
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.
Precondition
- Battery charger connected.
NOTE:
Description is for left component only. Procedure on the right side is identical.
CAUTION:
Folding up of convertible top through loss of pressure in hydraulic cylinders.
Injury hazard! Injury hazard by trapping!
Injury hazard! Injury hazard by trapping!
- When carrying out all repair work, secure soft top and soft top compartment lid with a suitable support tool against collapsing. Ensure soft top is supported in the middle.
- Bring the convertible top (1) in the position shown.
- Make sure that the convertible top compartment lid (2) is completely opened.
- Switch off ignition.
The convertible top system will be depressurized after approx. 7 min and can then be moved manually.
NOTE: To make the convertible top system depressurize faster: Long press the audio button. The convertible top system is then depressurized after just a few seconds. - Slightly lift the retaining clip (1) and unclip the hydraulic cylinder (2).
- Release cable tie (1).NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
- Protect the working area from escaping hydraulic fluid.
- Push out and remove lock plates (1) in the arrow direction.
- Remove hydraulic lines (2).
- Remove the hydraulic cylinder (3).