Hard Top Actuator / Motor: Service and Repair

54 37 185 Removing And Installing/Replacing Hydraulic Unit (Drive) For Retractable Hardtop







Necessary preliminary work:
- Remove luggage compartment floor trim panel







IMPORTANT:
- Hydraulic fluid may emerge from the disconnected lines and the open connections on the hydraulic unit (drive).
- Protect components and work area with suitable materials (e.g. cloths).
- Follow repair instructions for hydraulic system.
- Do not fit hydraulic lines in kinked, crushed or transposed condition.







Release screws (1).
Tightening torque 54 37 09AZ.
Remove battery rollover protection (2).
Remove insulating mat (3).







Unfasten plug connection (1) and disconnect.







Press release and detach relay (1) from holder.







Release plug connections (1) and disconnect.
Cut cable straps.

Installation note:
Plug connections are coded against incorrect assembly.
Replace defective cable strap.







IMPORTANT: Protect joints (lines and hydraulic unit) against dripping fluid, e.g. with a cleaning cloth.







Disconnect hydraulic lines from hydraulic unit:
- Release screws.
- Detach hydraulic lines

Installation note:
Hydraulic lines and connections are marked with numbers to prevent mix-ups.







Disconnect hydraulic lines from hydraulic unit:
- Release screws.
- Detach hydraulic lines
- Remove hydraulic unit (drive).

Installation note:
Hydraulic lines and connections are marked with numbers to prevent mix-ups.
Check fluid level or top up if necessary.







Replacement only:
Use Allen key to close shutoff valve on hydraulic unit.