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E85 / E86 Z4 (2003-2008)
E85 Z4 Roadster, E86 Z4 Coupe, E85 Z4 M Roadster, and E86 Z4 M Coupe talk with our BMW gurus here.

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  #1  
Old 10-03-2011, 10:43 PM
sunpower sunpower is offline
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Location: Qatar
 
Join Date: Aug 2011
Posts: 26
Mein Auto: Z4
03 Z4 FOB does not work after replacing the rear view mirror glass

Hi,

I had an additional rear view mirror with out auto dimming from other car i fixed it temporarly till I recieved the refurbrished rear view mirror glass and after i replaced it the FOB does not work.

tried reseting the car by removing the battery cable for 15 minutes but did not help.

tried to re-intialise the programing process as if a new fob is being used but also no luck.

Any suggestion to get the remote lock unlock work again?

Thanks
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  #2  
Old 10-04-2011, 10:12 AM
Wdupdog Wdupdog is offline
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Location: Spfld, IL
 
Join Date: Mar 2011
Posts: 45
Mein Auto: 08 si rdstr trpl blk
My apologies if you have already tried these methods. This is all I could find on coding remote. With temp mirror did remote work? I presume everything worked with key and no fuse is blown.========

Your keys are set to have one as a master ( key 1 ) and the other as ( key 2 ). There is no difference in the key other than, Key 1 will work with seat position #1 and key 2 will work with seat position #2. Swapping keys is a good idea. The key remembers how you drive and stores information about how you drive as well as codes. This is how the SA knows what your car is doing when you take it in for service and they put the key into the docking station attached to the computer on their desk. You can clear that information from the key and clearing the key will actually allow the car to preform better. Say you drive back and forth to work in heavy traffic all week and then the weekend comes and you plan to drive more spiritedly, clear the key. To clear the key, get in the car and close the door, turn key to position 1 for 20 seconds ( do not start the car), turn key to off ( do not remove the key ) turn key and start the car, the key information has been cleared. If you have not used the other key and it no longer works, do not panic. There is a procedure to fix that as well .

Method 1:
1. Working from within the vehicle and with the doors shut
2. Turn ignition to position 1 and back to off within 5 seconds.
3. Remove the key from ignition and press and hold the unlock button for 15 seconds during this time press the key lock button 3 times within 5 seconds.
4. Release both buttons.
5. Doors will lock and unlock to show correct programming has occurred.

Method 2:
To do this procedure you need to have one working key and one key that needs to be programmed.
1) Get in and close all doors.
2) Turn on the ignition and turn off quickly. (No more than 5 seconds) to start the process. Next action must take place within 30 seconds.
3) Remove the 1st key.
4) Hold the key up near your left shoulder (this is so it is closer to the remote receiver antenna.
5) Hold down the unlock button and press the lock button 3 times. Release the unlock button and the doors lock which confirms the operation.
6) Quickly repeat steps 4 & 5 for key #2 etc.
If it does not work, try doing the keys in opposite order. Key 2 then key 1, vs 1 then 2.

Method 3:
Alternate if you do not have a working remote
1. Turn key to position 1 five times very quickly 2. Remove key 3. Hold unlock button then press lock button 3 times, release unlock button.
4. If you have another key do the same button pressing within 30 seconds 5. Turn on ignition to finalise.
PLEASE NOTE: This programming procedure programs the remote control part of the key. Any transponder chip for the immobiliser (starting of car) will not be programmed and must be done by a specialist.
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