Installing the hydraulic cylinder for the convertible top
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:
Description is for left component only. Procedure on the right side is identical.
- Protect the working area from escaping hydraulic fluid.
- Check the seal (1)
of the hydraulic line (2)
for correct fit and damage, replace it if necessary.
- Position the hydraulic lines (2) on the hydraulic cylinder (3) .
- Push the lock plates (1) on from outside in the arrow direction and lock them.
- Fasten the cable tie.
- Feed in and position the hydraulic cylinder for the convertible top brace (3)
.NOTE: For ease of positioning, the hydraulic cylinder can be extended and retracted slowly by hand.
- Feed in the guide pins (2) at the bottom and top.
- Slide on the retaining clips (1) .
Follow-up work
- Refer to OPENING THE CONVERTIBLE TOP MANUALLY (REMOVED) .
- Refer to INSTALLING COMPLETE CONVERTIBLE TOP .
- Refer to INSTALLING THE CONVERTIBLE TOP COMPARTMENT .
- Refer to INSTALLING THE CONVERTIBLE TOP COMPARTMENT LID .
- Refer to INSTALLING THE SUPPORT FOR THE REAR INNER WINDOW RECESS FINISHER COVER ON THE LEFT AND RIGHT .
- Refer to ADJUSTING THE REAR WINDOW SHAFT DIMENSION .
- Refer to INSTALLING THE REAR INNER WINDOW RECESS FINISHER STRIP ON THE LEFT AND RIGHT .
- Refer to INSTALLING LEFT AND RIGHT REAR SIDE TRIM PANEL .
- Refer to INSTALLING THE INNER DOOR SILL COVER STRIP ON THE LEFT AND RIGHT .
- Refer to INSTALLING THE COVER FOR CROSS MEMBER AT THE TOP .
- Refer to INSTALLING THE UPPER TRIM PANEL ON ROLLOVER PROTECTION SYSTEM .
- Refer to INSTALLING THE REAR LEFT AND RIGHT HEAD RESTRAINT GUIDES .
- Refer to INSTALLING REAR LEFT AND RIGHT HEAD RESTRAINTS .
- Refer to REMOVING REAR SEAT BACKREST .
- Refer to INSTALLING THE LEFT AND RIGHT BACKREST SIDE SECTION .
- Refer to INSTALLING THE REAR SEAT .
- Refer to INSTALLING THE WINDOW CHANNEL STRIP AT REAR OUTER LEFT AND RIGHT .
- Refer to INSTALLING LUGGAGE COMPARTMENT WHEEL ARCH TRIM PANEL ON RIGHT .
- Refer to INSTALLING THE TOP LUGGAGE COMPARTMENT TRIM PANEL .
- Refer to INSTALLING LOADING EDGE TRIM .
- Refer to INSTALLING LUGGAGE COMPARTMENT FLOOR COVERING .
- Refer to ADJUSTING THE REAR SIDE WINDOW .
- Refer to ADJUSTING DOOR WINDOW GLASS .
- Refer to DELETING FAULT MEMORY .