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MODEL YEAR 2000 FZV KEY
Visual Changes:
• New appearance with blue and white BMW roundel. 
• New button arrangement (larger buttons) with sequential operation (enhanced operating
convenience)
• Rechargeable battery replaces replaceable batteries.  Charged by EWS ring antenna.
• The key housing is encapsulated and can not be opened.
• The LED has been omitted.
• Key will be used in E46, E38 and E39 vehicles.
Features of the keyless entry system include:
• Up to 4 radio-control keys can be operated in conjunction with one vehicle.
•  Locking/unlocking  of  doors,  tailgate,
fuel filler lid.
• Selective  unlocking  of  driver’s  door  (as
with key in lock)
• Arming/dis-arming of DWA alarm system
(if equipped).
•  Remote unlocking of the tailgate only.
• Comfort  opening  of  windows  and
sunroof
• Interior lighting activation (search mode).
• Panic mode alarm activation..
• Automatic  correction  for  up  to  1000
erroneous activation signals.
• Low  transmitter  battery  fault  code
storage in the GM.
• An  EEPROM  is  used  to  store  the  key
data. 
• Keys  delivered  with  a  four  color  label
sheet  containing  four  different  colored
labels  for  each  of  the  four  possible  FZV
keys.
ZKE - 24TAILGATE OPENS 
         
        
        
     
        
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ZKE - 46
ANTI-THEFT (DWA) SYSTEM 
The GM utilizes the following components to provide the DWA function:
•  Door lock hall effect sensor contacts (door open/closed).
•  Tailgate lid switch contact (monitored for closed tailgate).
•  Hood switch (monitored for closed hood, located under the hood).
•  DWA status LED (part of rear view mirror).
•  Tilt  sensor  located  in  the  electrical
carrier  forward  of  the  glove  box  (next
to GM)
•  UIS  Interior  compartment  monitoring
sensor  (pre  wiring  in  area  of  installa-
tion in center headliner). 
•  DWA siren (left cowl area next to mas-
ter cylinder). 
         
        
        
     
        
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HOOD CONTACT SWITCH
Located  on  the  right  side  engine  com-
partment,  the  hood  contact  switch  pro-
vides a ground signal to the GM signifying
an open hood.
The  plunger  of  this  switch  can  be  pulled
up past a detent causing the switch con-
tact to open.  This feature can be used to
simulate  a  closed  hood  with  the  hood
open when diagnosing the DWA system.
DWA LED
The  LED  is  provided  with  constant  battery  voltage  (KL  30).    The  GM  provides  a  switched
ground signal providing the various blinking signals used to convey DWA status to the vehi-
cle operator (covered further on).HOOD SWITCH
COMPONENTS
DOOR CONTACTS
As mentioned in the Central Locking Section, the door lock contact hall effect sensors pro-
vide  status  of  door  open/closed.    The  GM  will  activate  the  siren  if  a  door  open  signal
becomes active when the DWA is armed.
TAILGATE SWITCH CONTACTS
The tailgate switch contact is located in the tailgate lock actuator assembly.  When closed,
the  tailgate  contact  provides  a  ground  signal  to  the  GM  signifying  a  "closed  tailgate".  The
GM will activate the siren if the tailgate switch contact ground signal opens when the DWA
is armed.
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ZKE - 51
DWA ARMING/DISARMING
• The DWA is armed every time the vehicle is locked from the outside with the door lock
cylinder or FZV key. 
• The  LED  in  the  rear  view  mirror  flashes  as  an  acknowledgment  along  with  the  exterior
lights and a momentary chirp from the siren.
• The  GM  monitors  all  required  input  signals  for  closed  status  (door  closed,  tailgate
closed, etc.)  The inputs must be in a closed status for a minimum of 3 seconds for the
GM to include them as an activation component.  If after 3 seconds any input signal not
in the closed status is excluded (this is acknowledged by the DWA LED) preventing false
alarm activation's.
• If  the  DWA  is  armed  a  second  time  within  10  seconds,  the  tilt  sensor  and  interior  pro-
tection sensor are also excluded as alarm activation components.  This function is use-
ful if the vehicle is transported on a train or flat bed truck to prevent false alarm activa-
tion's.
• While armed the tailgate can be opened with out the alarm being triggered as follows:
- If  opened  with  the  tailgate  remote  button  via  the  FZV,  the  GM  prevents  the  alarm
from activating.  (This feature is customizable under the Car Memory function).
- If  opened  with  the  key  at  the  tailgate  lock  cylinder  the  tailgate  key  position  switch
signals the GM and in the same manner prevents the alarm from activating.
In either case, when the tailgate is returned to the closed position, it is no longer con-
sidered as an activation signal. 
Panic Mode Operation: When the tailgate button is pressed and held, the GM is signaled
to activate the siren for the Panic Mode.  The panic mode will function with either an armed
or disarmed DWA system.
EMERGENCY DISARMING
Emergency disarming occurs automatically if a key is used to turn the ignition switch on and
the EWS III accepts it.  The EWS III signals the GM to unlock the doors and deactivate the
DWA. 
         
        
        
     
        
        Page 62 of 64

62
SLEEP MODE
To lower the constant battery draw when the vehicle is parked, The complete ZKE system
will  go  into  the  “Sleep  Mode”  16  minutes  after  the  ignition  has  been  switched  off  and  no
further ZKE function is active. 
Approximate X5 Battery draw:       • Ignition switch off = approx 750 mA.
• One minute after = approx. 560 mA.
•  After 16 minutes (sleep mode) = approx. 18 mA.
All modules in the ZKE system will go into the sleep mode. The P-Bus remains active, how-
ever no data transfer takes place until a wake-up request is received. The general module,
door  modules  or  keyless  remote  module  can  wake  the  system  up  and  put  the  ZKE  back
on  line.    The  K-Bus  is  not  active  in  the  sleep  mode,  however  the  GM  III  of  Remote  Entry
Module can put the K-Bus back on-line with a wake-up request.
SLEEP MODE CRITERIA: KL R, 15 OFF and no further function activated for 16 minutes.
WAKE UP CRITERIA: KL R or 15 “ON” or a change in one of the signal states listed below.
SIGNAL ACTIVITY ORIGINATING
MODULE
K-BUS High General Module
Door jamb switches (possibility of 4) Low “
Trunk lid lock cylinder microswitch High “
Trunk lid pushbutton microswitch Low “
Interior Trunk lid pushbutton microswitch Low “
Central locking button Low “
Hood microswitch Low “
Trunk Lid microswitch Low “
Interior light switch Low “
FIS sensor Low “
Tilt Alarm sensor Low “
FBZV operational signal High FBZV Module 
Driver’s door lock microswitch  - (lock) High PM-FT/SB
““““ - (unlock) High “
Passenger door lock microswitch - (lock) High PM-BT
““““ - (unlock) High “
Tailgate
Tailgate
Tailgate
Tailgate
UIS