Convertible Top Hydraulic Control Unit: Service and Repair

54 34 005 - Removing and installing/replacing hydraulic unit for convertible top drive





Necessary preliminary tasks:
- Open loading aid Opening and Closing Loading Aid (Easyload)
- Remove left wheel arch trim





Caution!
Hydraulic fluid may emerge from the disconnected lines and the open connections on the hydraulic unit.
Protect components and work area with suitable materials (e.g. cloths).
Make sure that dirt cannot get into the hydraulic circuit.
Follow repair instructions Repair Instructions for Convertible Top Hydraulic System for hydraulic system.
Do not fit hydraulic lines in kinked, crushed or transposed condition.





Unfasten screws.
Tightening torque 54 34 1AZ 54 34 Motor-Driven Convertible Top (Hydraulic Components).





Unlock plug connections and disconnect.





Release screws (1).
Push up lockplate (2) in direction of arrow.
Detach hydraulic lines.
Remove hydraulic unit.

Installation:
Hydraulic lines and connections are marked with numbers to prevent mix-ups.
Check fluid level Topping Up/Extracting Fluid, Checking Fluid Level or top up if necessary.
Fully open and close convertible top a minimum of 10 times in order to bleed the hydraulic system.