Comfort Operation; Windshield Frame Lock; Convertible Top Sensor Operation - BMW 1999-2005 M3 Service Manual

3 series 1999, 2000, 2001, 2002, 2003, 2004, 2005 sedan, coupe, convertible, sport wagon
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Convertible Top
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cease operation if the hydraulic fluid
temperature exceeds 95°C (203°F).
However, any functions that have been
started will be completed before the
system is switched off. If the temperature
exceeds 105°C (221°F) the system is
immediately switched off. Close the top
using the emergency closing procedure.
Automatic operation can be resumed
when the fluid temperature drops below
95°C.

Comfort operation

Comfort closing of the top is possible by
using the key in the driver door lock
cylinder. Holding the key in the locking
position the will raise the top and close
the windows.
Comfort opening is possible from either
the driver door or remotely using the
FZV key.

Windshield frame lock

The windshield frame lock assembly
consists of the top lock motor positioned
in the center of the top frame and two
lock drive mechanisms positions on
either side of the top frame.
The lock motor and drive mechanism
unlock the top from the windshield and
raise the front of the top past the tension
point. Flexible drive shafts are used to
activate the lock assemblies and drive
the tension link rods.

Convertible top sensor operation

Three Hall sensors detect the position of
the top frame are located on the left lock
drive assembly. All three sensors receive
power and ground from CVM II.
2/25/2009 11:05 PM

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