1998 BMW 528i air control cable

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Door Windows
Tilt window glass carefully inside door cavity and lift out of
door.
Installation is reverse of removal.
Replace plastic window retainers once glass is inside door.
Use new mounting bolts when reinstalling side-impact
air-
bag to door.
Adjust window as described earlier,
Sedan and Sport Wagon doors are similar. There are two win-
dow rails in each front window regulator, only one in the rear.
Otherwise the front and rear regulators are similar.
WARNING-
E39 cars are Wed with side-impact airbags in the front
doors. Some are equipped with
airbags in the rear doors
as well. When servicing the door windows on cars with
side-impact airbags, always disconnect the negative
(-)
battery cable. See 721 Airbag System (SRS) for cau-
tions and procedures relating to the
airbag system.
Prior to disconnecting the battery, read the battery dis-
connection cautions given at the front
001 General
Warnings and Cautions.
NOTE-
Because window operation is electronically controlled, a win-
dow motor does not have mechanical endpositions. For this
reason it can be removed and installed with the window in
any position and does not need reinitialization.
Front window regulator removing and
installing
NOTE-
BMW recommends removing the window regulator and mo-
tor as one unit, then separating the two on the bench.
- Remove front door panel as described in 411 Doors.
- Disconnect negative (-) cable from battery, then remove air-
bag unit and vapor barrier from door. See 721 Airbag Sys-
tem (SRS).

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I lnterior Trim
This repair group covers interior trim removal and installation
procedures.
- Refer to the following repair groups for additional information:
250 Gearshift Linkage
41 1 Doors (interior door panels)
@ 612 Switches
620 Instruments
640 Heating and Air Conditioning [IHKA control panel!
650 Radio
721 Airbag System (SRS)
lnterior trim repairs
lnterior trim and finish panels are clipped or screwed into
place. Many of the trim retaining clips are designed
to be used
only once. When removing trim that is held in place with clips,
it is a good idea to have spare clips on hand before beginning
the job.
WARNING-
Special precautions must be observed when servicing the
BMWSupplementai Restraint System (SRS). Serious inju-
ry may result if system service is attempted by persons un-
familiar with the BMW
SRS and its approved service
procedures. BMW
speciiies that all inspection and service
should be performed by an authorized BMW
dealer.
Before performing any work involving airbags, discon-
nect the negative
() battery cable. See 721 Airbag
System (SRS).
Airbags contain a back-uppowersupply within the SRS
control module. A
5 second discharge period should be
allowed after the battery cable has been disconnected.
CAUTION-
* When working on electrical switclies or lights, always dis-
connect the negative
(-) cable from the battery and insu-
late the cable end to prevent accidental reconnection.
a Prior to disconnecting the battery, read the battery dis-
connection cautions given in
W1 General Warnings
and Cautions.
To prevent marring the trim when working on interior
components, work with plastic prying
tools or wrap the
tips of screwdrivers and pliers with tape before prying

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Interior Trim
The E39 dashboard assembly includes the instrument clus-
ter, passenger side
airbag, glove compartment, fuse and re-
lay panel, radio. IHKA control panel oron-board monitor (if
equipped with GPS). The dash is made up of an upper and
lower sections. The lower section must be remove before the
upper section can be removed.
Dashboard removal is a complex operation. Read the proce-
dures through before starting work.
Lower dash panel assembly, removing and
installing
- Disconnect negative (-) cable from battery and cover termi-
nal with
insulating material.
--7
CAUTION-
Prior to disconnecting the battery, read the battery discon-
nectioncautionsgiven atthe irontin001 General Warnings
and Cautions.
- Place steering column in down and extended position.
4 Remove left side foot well panel fasteners (A and B).
< Using a plastic trim tool, gently pry left and right steering col-
umn trim panels (white arrow) to remove and release snap
clip on column boot
(black arrow).
I 1 < Remove instrument cluster trim panel fasteners (arrows).
Pull trim panel out and disconnect harnesses for light
switches.
- Remove radio volume control knob.

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540-2
Sunroof
This repair group covers the slide-tilt sunroof assembly.
There are two types of sunroof panels available: steel
01
glass. Service procedures are different for each type.
Component locations, initialization, sunroof panel replace-
ment, and sunroof height adjustment are covered. Replace-
ment of the cable assembly or frame require that the
headliner be removed. Removal and repair of the sunroof as-
sembly and othercomponents inside the roof cavity is beyond
the scope of this manual.
When the sunroof is set to the vent position (rear of panel up),
the inside headliner moves rearward approximately
120 mm
(4.7 in) This provides cabin ventilation with less wind noise. A
water channel is incorporated into the sunroof assembly. It
automatically rises when the sunroof panel is in the vent posi-
tion and prevents water from entering the interior during brak-
ing.
Sunroof electronic controls, initializing
- Initialize the sunroof in the following situations:
Malfunctions
such as lack of one-touch function, lack of
comfort openinglclosing or lack of safety (anti-trapping)
features.
If sunroof motor has been removed and reinstalled.
If power supply to the sunroof has been interrupted.
If repairs have been performed on the slideltilt mechanism.
NOTE -
The initialization sequence is dependent on the software ver-
sion of
tlie sunroof module (in the sunroof drive unit).
I WARNING -
I There is no anti-trapping protection during initialization. I

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Airbag System (SRS)~
MRS control module, replacing
- Disconnect negative (-) cable from battery and cover nega-
tive terminal with insulating material.
CAUTIOI\C
Prior to disconnecting the battery, read the battery discon-
nection cautionsgiven in001 General Warnings and
Cau-
tions.
- Remove center console between front seats. See 513 lnteri-
or Trim.
Remove module mounting nuts (arrows) and lift up control
module. Disconnect electrical harness connector.
Installation is reverse of removal.
Be sure that MRS control module ground cable is attached
to the module mounting stud.
Side-impact crash sensor, removing and
installing
- Make sure ignition key is OFF.
- Remove front seat. See 520 Seats.
Remove plastic door sill trim by lifting to release clips at one
end, then sliding off. Fold up carpet towards rear seat floor. If
necessary, remove floor level heater duct.