Owner service procedures -> Remote control for Your BMW Z3 SUV First Generation (1995-2002)

144nRemote control  
Changing battery  
New master key with remote  
control  
2. Loosen the two screws (arrows) and  
remove the cover.  
Renew when the LED no longer lights  
up when a button is pressed and it is  
not possible to lock the vehicle using  
the remote key.  
If you place a new master key with  
remote control into service (either a  
replacement or an additional key), it  
must be initialized together with all  
existing master keys (with remote  
control):  
The battery type and its installation  
position are stamped into the base of  
the battery compartment.  
Install only a battery of the specification  
(CR 2016) indicated in the battery  
compartment and make sure that the  
battery is installed in the correct posi-  
tion.  
Return used batteries to a recy-  
cling point or your BMW center.<  
1. Have all existing master keys with  
remote control as well as the spare-  
or ignition key present, refer to  
page 30  
1. Use a screwdriver to lift the cover at  
the recess (arrow)  
2. Enter the vehicle and close the doors  
3. Briefly turn the spare key 2 or the  
ignition key 3 (max. 5 seconds) to  
position 1 in the steering lock, then  
return it to position 0  
 
Remote control  
145n  
4. Press and hold down button 1 (see  
illustration). Maintain pressure on  
button 1 while rapidly pressing  
button 2 three times in succession  
within a period of 10 seconds  
Turn each new master key into  
ignition position 2 (ignition  
switched on) and back again to allow  
the electronic vehicle immobilizer (refer  
to page 31) to recognize the new key.  
To prevent unauthorized use of the  
5. Release button 1. LED 3 flashes  
slowly for a maximum of 10 seconds master key, surrender only the door and  
6. The central locking system engages  
and releases all lock mechanisms in  
ignition key 3 or the spare key 2 (refer  
to page 30) for valet parking, for  
rapid succession to indicate that the instance.<  
initialization procedure has been  
successfully completed.  
If the LED does not flash or if the  
central locking system fails to respond,  
the initialization procedure will have to  
be repeated.  
All additional master keys with remote  
control for your vehicle (up to a  
maximum of four units) must now be  
initialized. Make sure that no more than  
30 seconds is allowed to elapse  
between the individual initialization  
procedures. Repeat steps 4 and 5. The  
central locking system will respond to  
each initialization procedure as  
descriped in step 6.  
In the event of a system malfunction,  
please contact your BMW center, who  
can also provide you with replacement  
keys.