2001 BMW 525i Front

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513-12
Interior Trim
< Remove steering column trim panel by releasing clips (ar-
rows).
< Remove left side mounting fasteners (arrows).
Lilt dash panel upwards and remove through passenger
door.
- Installation is the reverse of removal.
Window and door post trim panels,
removing and installing
Windshield post trim (A pillar), removing and Installing
- On 1998 and later cars, disconnect battery negative (-) cable
I
WARNING-
On 1998 and later models, front Head Protection System
(HPS)
airbags are installed in the driver and passenger side
windshieldpost
trim (A-pillar). See 721 Airbag System
(SRS) for warnings and cautions regarding airbags.
< Remove A-p~llar trim panel fastener cap (arrow)

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Interior ~riml
4 Remove fastener (arrow) beneath trim cap.
Working from top carefully pull trim panel away from
A-pil-
lar and pull up to remove.
- Installation is reverse of removal.
If necessary replace defective or broken mounting clips.
Door post trim panel (B-pillar), removing and installing
4 Remove seat belt fastener (arrow) from seat frame.
- Remove front and rear door sill trim panels.
- Pull front and rear rubber door seal away from trim panel.
4 Carefully pull bottom of lower trim panel away from door post
to release clips.
Pull trim lower panel straight down (arrow) to remove.

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Central Locking and Anti-Theft
DWA alarm
The DWA alarm system is
armedldisarmed when thevehicle
is locked / unlocked from either the door or trunk.
Convenience closing
I opening
The windows and sun roof can be closed or opened by hold-
ing the key in the
loclc I unlock position.
Crash sensor
The crash sensor is located in the left front
kick panel. It func-
tions by unlocking all doors in the event of an accident.
NOTE-
Continuous and repeated locliing / unlocking may cause
timedarrest of
the locliing system. When activated, the timed
arrest lasts for two minutes. The timed arrest does not affect
the crash sensor
unlocliing the doors in case of an accident.
Door locks
The driver's door lock location is the only point outside of the
vehicle where the ltey can mechanically control all of the cen-
tral locking system functions.
4 Door key positions for electrical / manual loclting and
unlocking are:
1. Manual unlock
2. Unlock, DWA disarmed, convenience open
(hold until activated)
3. Neutral position
4. Lock, DWA armed, convenience closing
(hold until activated)
5. Manual lock
The door lock actuators are sealed. self contained units with
no replaceable parts. The
actuators use Hall effect sensors in
place of pin contacts and microswitches to provide DOOR
OPEN
I DOOR CLOSED status signal. Each door lock button
only affects the actuator it controls. There is no effect on the
other doors.
An automatic locking feature activates door locks when a
road speed signal of 4 mph is detected via the K-Bus. The fac-
tory default coding for this feature is OFF, but can be coded
ON for individual users with the Key Memoryfunction. See
Car Memory
1 Key Memory later in this section.

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51 5-1 6
Central Locking and Anti-Theft
DOOR HANDLES AND LOCKS
In the procedures that follow, door handle removal, door lock
cylinder removal and door latch removal are covered for the
left front door. Other doors are similar although simpler, due
to the
lack of lock cylinder.
Inside door release removal is covered in the procedure for
inner door
ane el removal. See 411 Doors.
Door handle (outer), removing and
installing
NOTE-
IfBMWspecial tools 51 3201 and51 3 203 are available, the
door handle can be removed without removing the door trim
panel or door
airbag. Use the access hole behind the rubber
sealing plug on the door edge.
- Close window on front door.
- Disconnect battery negative (-) cable.
CAUTlOG
Prior to disconnecting the batter)! read the battery discon-
nection cautions given
in 001 General Warnings and Cau-
tions.
Remove front door trim panel. See 411 Doors.
Remove door-mounted air bag. See 721
Airbag System
(SRS).
Remove rubber sealing plug (arrow) from door edge
NOTE-
In the photo below, door handle and lock cylinder carrier are
shown on the work bench for clarity.
Working inside door cavity:
- Use long thin screwdriver to release locking tab A. Push
screwdriver through hole for rubber sealing plug.
Slide locking plate
B toward front of door.
Working on outside of door, lift out lower edge of handle and
pull down to remove.
Installation is reverse of removal,
Tightening torques
Airbag to door (replace screws) 8.5 Nrn (75 in-lb)

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........................ General ........................... .52 0.2 Rear Seats .52 0.7
SeatIMirrorlSteering Column Memory ..... .52 0.2 Rear seat cushion and backrest,
...... Seat memory position. setting ........... .52 0.2 removing and installing (sedan only) 520-7
......... Headrest. removing
and installing 520-8 Front Seats ........................ .52 0.4
Seat switch and memory module.
removing and installing
................ .52 0.3
Front seat. removing and installing
....... .52 0.5

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l Seats
This repair group covers removal and installation of the front
and rear seat.
SeatIMirrorlSteering Column Memory
< The basic features of seaffmirrorlsteering column operation,
including memory positions are integrated into the
ZKE Ill
system. Driver adjustment positions can be memorized and
stored for three different
users.The seat control module is in-
tegral with the seat and mirror switches. The seat control
module stores seat memory position via the "ripple" counter
module.
NOTE-
Passenger seat on sedan models uses a simple control cir-
cuit and do not include a memory module or on-board diag-
nostics.
Seat memory position, setting
With the transmission range selector in "P and the mirror
change over switched in the left position, switch the ignition
on and press the
"M" on the memory switch.
Press one of the three position switches
(1, 2 or 3) within
the
7 second memory period (memory indicator lamp will
illuminate for
7 seconds)
- The current positions of the mirrors, seat and steering col-
umn will now be stored in memory.
NOTE- Seat memory is held in an
EEPROM in the seat module and
is stored in memory before the
ZKE goes into its sleep mode.
If the battery is disconnected before the 16 minute sleep
mode activation, seat memorypositions are lost and repro-
gramming is required.
< Power seat controls.
A -Seat tilt
B - Longitudinal adjustment
C - Cushion height
D - Head restraint height
E - Back rest angle

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l Seats
Seat repair and component replacement is possible once the
seat has been removed from the vehicle.
Before servicing front seats read safety regulations on han-
dling
airbag modules and pyrotechnic seatbelt tensioners.
See
720 Seat belts and 721 Airbag system (SRS).
WARNING-
. The front seats are equipped with pyrotechnic seat belt
tensioners. These tensioners are powerful devices and
should be handled with exfreme care. Incorrect handling
can trigger off the tensioner and cause injury.
BMW recommends that all repair or replacement
worlc
on pyrotechnic devices must be carried out by a quali-
fied
BMW technician.
Be sure to disconnect the battery and wait
5 seconds
before attempting to work on pyrotechnic devices.
During body straightening and welding with an electric
arc welder, always disconnect the battery and the con-
nection to the pyrotechnic gas generators.
Seat switch and memory module, removing
and installing
- Remove front seat. See Front seats, removing and install-
ing.
- Carefully pull seat adjusting ltnobs straight out to remove.
Remove screw fastener
(A) and trim clips (B), turn side panel
downward to remove.
Disconnect electrical harness connector
(arrow).

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520-5
Seats
1
4 Release mounting tabs (arrows) and remove switch module.
Front seat, removing and installing
- Turn ignition switch to OFF position.
Remove front and rear rail trim panels:
Raise center of trim panel
(A) to release loclting pin.
Unlock and lift out inner mounting clips tabs
(6).
Slide trim panel off rail (arrow) to remove.
< Remove seat belt mounting fastener (arrow) from seat
frame.