Steer BMW 528i 1997 E39 Workshop Manual

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400-1 0
Body-General
Seats
4 Anatomically correct seats are constructed from polyure-
10 way seat adjustment thane foam
containing areas or "zones" of different firmness.
They offer good lateral support without constricting the occu-
pant.
The seats have a passive internal ventilation system: Cylin-
drical cavities within the cushions and backrests generate a
pumping effect as the ride motions cause occupant motion.
This
helps remove moisture and feeds fresh air into the seats.
Other features of the seating system:
The seat bases have steel springs for added support and
strength.
The seat control switches are along the outside edge of
the
seat.
Heated seats are an option in all models
In cars equipped with seat position memory, three different
seat confiaurations can be memorized by the seat control
module(s): Seat memory coordinates with outside mirror
memory. These functions are controlled by the seat mem-
ory
module(s).
* For security reasons, the release lever to fold the rear seat
backrest forward is installed in the trunk.
Sport Wagon models: Rear seat
baclts are split 60140, with
the center armrest on the left seat back.
The center armrest incorporates a non adjustable head-
rest. When folded down, the armrest opens out with
cup-
holders and a storage compartment. See 520 Seats for
more details.
instruments and controls
Everything in the interior passengercompartment essential to
the driver is logically grouped and easy to reach. All instru-
ments and controls have been arranged ergonomically and
are fully integrated into the overall design of the vehicle.
Tilt-telescopic steering wheel has
30 mm (1.2 in) of vertical
and longitudinal adjustment.
Multifunction steering wheel contains two
ltey pads con-
taining controls for the sound system, telephone and
cruise control.
Padded dashboard houses the instrument cluster and the
ventilation and heating system.

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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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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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51 3-1 5
I Interior Trim
Dash panel support, removing and
installing
- Remove lower dash panel. See Lower dash panel assem-
bly, removing and installing.
- Remove upper dash panel. See Upper dash assembly, re-
moving and installing.
- Remove upper steering column fasteners. See 320 Steering
and Wheel Alignment.
4 Remove dash support fasteners (arrows).
Remove wire ties as necessary and remove support.
- Installation is reverse of removal.
Rear parcel shelf, removing and installing
(models without rear
HPS airbags)
WARNING-
On 1998 and later models, rear Head Protection System
(HPS)
airbags may be installed (optional equipment). The
procedure given below does not covermodels with rear HPS
airbags. See721
Airbag System (SRS).
- Remove C-pillar trim panels. See Rear window pillar trim
panel (C-pillar), removing and installing.
- Remove rear seat backrest. See 520 Seats.
- Rear parcel shelf removing:
Remove center headrest fasteners.
Remove
seatbelt floor mounting fasteners.
Carefully pry out safety belt trim panels and feed
seatbelt
through slots.
. . . - -. . . . . . . . . Remove expansion rivets and slide pane fonvard to re-
move.
< Remove expanson r:vets (arrows).
Remove vent panels (A).
Remove speafter pane s (B).
Remove center head rest s-pporl fasteners (C).
Slioe parcel shelf forward lo remove.
- lnsta lation s reverse of removal.

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51 5-21
Central Locking and Anti-Theft
Trunk lid gap
measurements 4 When installing, or adjusting trunk lid alignment, adjust posi-
tion of trunk
loclc striker with mounting bolts finger tight.
* Check trunk lid loclc operation with lid open.
Adjust trunk lid alignment. See
412 Trunk Lid, Tailgate for
lid adjustment specifications.
NOTE-
Do not lubricate lock or lock striker with grease.
Tailgate lock, emergency release
4 In case of electrical failure, there is an emergency tailgate
loclk release. The release is located in the tailgate behind the
tool door.
- With tool door open, remove access cover and pull to the
right to release tailgate.
ELECTRONIC ~MMOBILIZATION (EWS)
E39 cars are equipped with a passive theft-prevention sys-
tem. The Electronic Immobilization System (EWS) makes it
impossible to
startthe engine using any means other than the
special lkeys furnished with the vehicle.
NOTE-
Replacement EWS control modules or DME control modules
must be electronically aligned to each before the vehicle will
start. This requires the use of the BMW Service Tester
(DIS-
plus, GT1, or MoDiC). Without alignment, the engine will not
crank (for example: swapping a
known good DME control
module into another vehicle for test purposes will result in a
no crank situation).
In the EWS system, the ignition key is embedded with
acom-
puter chip (EEPROM) and coded. The key communicates
with the vehicle using a transponder in the lkey and a ring an-
tenna surrounding the steering lock cylinder. Up to
6 replace-
ment keys are permissible. Only an authorized
BMW dealer
can provide replacement keys.

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Central Locking and Anii-Theft
- If the starter engages, the following EWS inputs are function-
ing normally:
Ignition key
Code function
Transmission range switch or clutch position switch
Engine speed sensor
NO JE -
If a vehicle key is lost or stolen, the electronic authorization
for that key
can be cancelled using the BMW scan and di-
agnostic tools
DISplus, GTl or MoDiC.
Force applied to a ley can damage the electronic circuitry
in the key A damaged ley will not start the engine. In that
case, a new key should be purchased and initialized
by an
authorized BMW dealer.
EWS variations
EWS variations used in E39 cars are shown in E39 EWS ap-
plications
table below.
E39
EWS applications
I I Ifling antenna (surrounds ignition switch) I
System
designation
EWS
II
I I l~ransmitter I receiver module located in right side steering column cover I
E39 production
dates
SOP
- 311 997
I I IEWS 111 (3.2) control module incorporates transmitter1 receiver moduie functions /
Main components, changes, improvements
Key with EEPROM transponder
Control moduie located behind glove compartment, in electrical component panel
Control module located to left of steering column, under dashboard
K-Bus input
Transmitter
I receiver module eliminated
EWS 111 (3.2)
Transmission range selection input from automatic transmission control module
3
11997 - 911997
- EWS ill (3.3) Clutch
Hall-effect switch (replaces transmission range switch input)
911997 - 2002 EWS 111 (3.3) control
module with iSN code burned in (cannot be overwritten during
alignment)
Control module located to left of steering column, under dashboard

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Central Lockina and ~nti- heft
EWS control module, replacing
NOTE-
EWS control module location varies depending on version of
EWS installed.
Checlc the table €39 EWS applications.
- Disconnect battery negative (-) cable.
CA UTIOI\C
Prior to disconnecting the battery, read the battery discon-
nection cautions given in
001 General Warnings and Cau-
tions.
- EWS II: Control module is accessible from behind glove com-
partment.
Remove trim below glove compartment.
Lower relay and module holder to access EWS control
module
EWS
Ill: Control module (A836) is located to left of steering
column, below dash.
Remove trim below steering column.
Unplug module and remove from holder.
Installation is reverse of removal.
Transmitter / receiver module
Only EWS II vehicles are equipped with a separate transmit-
ter! receiver module attached to the steering column trim on
the right side of the column.
Ring antenna
- Remove ring antenna using BMW special tool 61 3 300.
Remove upper and lower steering column trim.
Disconnect harness connector to ring antenna.
Pry off ring antenna using
BMW special tool 61 3 300 or
equivalent flattened prying tool.
Alternatively, remove ignition switch key cylinder: With ignition
ltey in ON position (60" from LOCKED), insert
thin piece of stiff wire into opening (arrow) in lock cylinder
and pull lock cylinder out.
- Detach ring antenna harness connector.
Gently
work ring antenna off ltey cylinder.
CaonliayPuliiliirrl can,-A, R0,il. Rurilrrrri

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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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ZKE seat/mirror/steering
column memory
operational diagram
1. General module Ill
2. Steering column adjustment
switch
3. Seat memory module with
adjustment switches
4. Headrest motor
5. Backrest motor
6. Seat base tilt angle motor
7. Seat base up - down motor
8. Seat forward - back motor
9. Steering column length motor
10. Steering column tilt motor
11. Driver's (left) door module
12. Memory switch