Z Series E85 M roadst (S54) ROADST
54 34 ...
Repair instructions for hydraulic system of convertible top and convertible top compartment lid
1.
Definitions of terms
Hydraulic system at zero
pressure
or
Untensioned state:
•
Turn ignition lock to "0" position.
•
E46c: Wait 15 seconds
E52: Wait 2 minutes
E85: Emergency actuation or wait 2
minutes
E64: Wait 5 seconds.
Hydraulic system has no or only
very low pressure
Mechanical actuation:
Emergency actuation:
•
Convertible top is opened or closed by
hand
•
Always move convertible top with aid of
a second person
Observe Point 3
Closed system:
•
All lines are connected
Even "short-circuiting" of lines is
possible
Function Test:
•
Open and close convertible top several
times (min. 3 times)
•
Check fluid level in hydraulic unit; if
necessary, top up fluid
refer to Operating Instructions
Short circuit (E46c only):
•
Unfastening of quick-release couplings
•
Connection of supply and return lines
Hydraulic system cannot build up
pressure
Convertible top can be moved
Function Test:
•
Checking of convertible top function if
possible on removed convertible top
Convertible top must be secured!
Move 2-3 times
Convertible top stowed:
•
Convertible top fully open (folded
together)
When the convertible top is
installed, it is in the closed
convertible top compartment
2.
When working on hydraulic system, observe the following
-
Once it has been removed, the convertible top must be safely stowed or tensioned (e.g. with screw clamps to
work bench).
On some models, the special tool must be used.
The universal lever is required here.
-
When the hydraulic system is open (unscrewing of lines, topping up of fluid, etc.), always provide sufficient
cloths to catch leak-off fluid.
Also provide an adherent protective cover to cover/protect fittings.
-
Hydraulic system must be at zero pressure.
RA Repair instructions for hydraulic system of convertible top and convertible top
BMW AG - TIS
07.02.2013 04:17
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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