Convertible Top Pump: Service and Repair

54 37 185 - Removing and installing/replacing hydraulic unit (drive) for retractable hardtop





Necessary preliminary tasks:
- Remove luggage compartment floor trim panel 51 47 101 Removing and Installing/Replacing Luggage Compartment Floor Trim Panel





Caution!
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 [1][2]Specifications.
Remove battery rollover protection (2).
Remove insulating mat (3).





Unfasten plug connection (1) and disconnect.





Press release and detach relay (1) from holder.





Unlock plug connections (1) and disconnect.
Detach cable tie.

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





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





Clamp off hydraulic lines from hydraulic unit:
- Release screws.
- Detach hydraulic lines.

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





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

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