BMW 1989-1995 525i Service Manual page 397

SWITCHES AND ELECTR ICAL ACCESSORIES
612-1
612 Switches and Electrical Accessories
GENERAL 612-1
INTERIOR SWITCHES 612-1
Steering column stalk switches ,
removing and installing 612-1
Ignition switch , removing and installing 61 2-2
Ignition lock cylinder , removing and installing . 612-2
Hazard warning switch ,
removing and installing 612-3
GENERAL
When working on electrical switches , always disconnect
the negative (-) cable from the battery and insulate the cable
end to prevent accidental re-connection.
NOTE-
• On t 992 and later cars. the battery is mounted be-
neath the rear
sear.
• T esting and repla cement information for th e trs nsmis-
sion gear positioruneutrst safety switch is covered in
250 Gearsh ift Linkage.
• Testing and replacement information for the oil pres-
sure and oil level switches is covered in 11 9
Lubrica-
ti on System.
INTERIOR SWITCHES
Most of the interior switches are removed by carefully pry-
ing them from their cavity in the instrument panel or console.
Notable exceptions are the steering column stalk switches as
well as a few other interior switches. These exceptions are
covered in the text below.
NOTE -
To prevent damaging or marring interior trim and interi-
or plastic parts. wrap the tips of screwdrivers and pliers
with plastic tape before prying out switches or electrical
accessories.
Steering column stalk switches,
removing and installing
Removal of the steering column switches requires removal
of the steering wheel and the SRS driver's side airbag (on cars
so equipped). Use extreme caution when removing the airbag
unit from the steering wheel and be sure to follow the airbag
removal procedure given in
721
Airbag System (SRS). Im-
proper handling of the airbag could cause serious injury.
Light switches , removing and installing 612-3
Power window switch assembly,
removing and installing 612-3
Outside mirror switch,
removing and installing 612-4
INTERIOR LIGHTS 612·4
Dome light. map lights, rear lights,
and trunk lights, replacing bulbs 612-4
WARNING-
The airbag is an explosive device and should be
treated wilh extreme caution. Improper handling of
the airbag could cause serious injury or death.
Store the airbag with Ihe horn pad facing up. If
stored facing down. accidental deployment could
propel it violenJly into the air. causing injury.
1. Disconnect negative (-) battery cable and cover battery
terminal with an insulating material.
2. On cars with driver's side airbag, remove airbag unit
from steering wheel. See
721
Airbag System (SRS).
Store airbag unit in a safe place.
3. On cars without driver's side airbag, remove screws re-
taining lower steering column cover and remove lower
cover.
NOTE -
On cars with driver's side airbag. the lower steering col-
umnb cover
is
removed
as
part of the airbag removat
procedure.
4. With front wheels pointed straight ahead. remove
steering wheel. See 320 Steering and Wheel Align-
ment.
5. Remove trim panel from lower left side of instrument
panel. See 513 Interior Trim.
6. Remove upper steering column cover from steering
column. See Fig. 1.
NOTE -
Steering column cover fastener types and locations
may vary slighJly from model to model.
7. Depress stalk switch retaining hooks and remove
switch. See Fig. 2. Disconnect harness connector(s).
INTERIOR SWITCHES