Question about BMW 328
After changing battery of my bmw E36 immobilizer, it doesn't work electrically. So I have to open and close my door manually. Before changing battery, it worked well without any problem. Please let me know how to fix this problem.
I have the same problem with my car. BMW replaced all the locks and gave me the new keys but they don't work. I tried to initialise them following the instructions on the manual but still a problem. I suspect the receiver is not working. Please advise.
Posted on Jun 03, 2010
Sounds like you just need to re-initilize the electronic fob. There are various of doing this depending on whether the system has an immobilizer or not and wether its an infra-red transmitter or a radio frequency transmitter.
Il guide you through the infra-red transmitter with an immobiliser method as my instinct tells me you have this.
To start with, the infra-red receiver is located in the rear view mirror so when doing this you would need to be close to it. (Preferably sitting in the car with the remote pointing to the rear view mirror with a distance if less than 15cm.)
Press the unlock button. Sit inside the car and close the drivers door then switch the ignition on and then off again. Have the key fob near the rear view mirror as described earlier, and press and hold the unlock button. Briefly 3 times within 10 seconds press the lock button whislt still keeping the unlock button depressed.
You should then notice the L.E.D on the key flashes slowly for 10 seconds. Now press the lock or unlock button to find your initialization complete. Your able to do this to a maximum of 4 keys at any one time and whenever you do this, all keys need to be re-initializedotherwise they too wont work!
If this hasnt helped let me know and i can guide you through the other methods for different fob types.
Hope this helps!
Posted on May 28, 2009
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Posted on Jan 02, 2017
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