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Key fob will open car and disarm alarm, but wont lock it ?

Posted: Mon Dec 18, 2017 11:09 am
by Ant
I am having an issue with my key fob. I can obviously lock the car with the key in the lock, but I cannot lock the doors or set the alarm with the fob anymore ?


I can unlock the doors and disarm the alarm though so I don't think it is a battery/charge issue

Any ideas people ?

Thank you

Re: Key fob will open car and disarm alarm, but wont lock it ?

Posted: Mon Dec 18, 2017 1:29 pm
by henrym3
I know you say you don't THINK it's a charge issue but you need to be 100% sure otherwise you will chase faults until you disappear up your own backside. Charge the battery and see how you go.

Re: Key fob will open car and disarm alarm, but wont lock it ?

Posted: Mon Dec 18, 2017 6:20 pm
by Horizon
Both of my diamond keys have had problems since I've had the X3, I've sent them off individually to a guy off EBay and they replace the micro switches and battery in the fob £20 per key if I remember correctly.
They fix the same day as they receive the key, then post it back.
Both keys have been faultless since

https://www.ebay.co.uk/itm/BMW-X3-X5-Di ... 1242934188

Re: Key fob will open car and disarm alarm, but wont lock it ?

Posted: Mon Dec 18, 2017 10:20 pm
by sleepyfolk
Have you tried re-initialising the key/keys?
When I bought mine I was told the keys didn’t work properly, I just re-initialised them both and hey presto 2 working key fobs, might be worth a go.
Can’t quite remember off the top of my head but if you google it you’ll find the procedure, it’s just a case of popping the kit in the ignition and removing it and pressing the buttons in the right order - nothing complicated as such

This is the guide I used, where it says KL-R it just means position 1 on the ignition
Image

Re: Key fob will open car and disarm alarm, but wont lock it ?

Posted: Wed Dec 20, 2017 4:22 am
by themoog
The car could have gone into transport mode. One of ours did it twice. If memory serves the interior light doesn't work either and that is a sign. Needs diagnostics to change setting.

Re: Key fob will open car and disarm alarm, but wont lock it ?

Posted: Wed Dec 20, 2017 6:40 am
by Alan Gunn
My e46 went into transport mode and the wipers and windows didn't work not sure about the locking.

Re: Key fob will open car and disarm alarm, but wont lock it ?

Posted: Wed Dec 20, 2017 12:12 pm
by Ant
Thank you for your suggestions so far, I have printed sleepyfolk suggestion and will try that when I get a minute