Removing and installing/replacing right coupling fastener hydraulic cylinder (M4 Convertible)
Necessary preliminary tasks:
- Open the soft top completely
- Remove SIDE TRIM UPPER SECTION .
- Remove LUGGAGE COMPARTMENT FLOOR TRIM PANEL .
IMPORTANT:
Hydraulic fluid may emerge from the disconnected lines and the open connections on the hydraulic cylinder.
Protect components and work area with suitable materials (e.g. cloths).
Makes hydraulic system de-pressurized:
IMPORTANT:
The roof shells settle in de-pressurized system.
Feed out control unit (1).
Use a hexagon socket (AF 4) to slowly open the shutoff valve on the hydraulic unit by three turns.
NOTE:
Shutoff valve is located under a plastic funnel.
Removing hydraulic cylinder:
- Slide retaining clip (1) upwards.
- Detach ball socket at side.
- Remove retaining ring (2).
- Drive through bearing pin (3).
- Feed out hydraulic cylinder.
Replacing hydraulic cylinder:
Unfasten plug connection (1) and disconnect.
Slide open retaining rings (2) with screwdriver.
Detach hydraulic lines (3).
NOTE:
- Carry out function check
- Check FLUID LEVEL .