Question about BMW Cars & Trucks
Posted by Anonymous on
My first thought would be to change the battery in the fob, assuming it has one. There are so many different ways to open these fobs, though, that I can't help with specific instructions.
If that doesn't help - or there isn't one - then you will probably need help from a BMW specialist garage.
Posted on Dec 12, 2016
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Posted on Jan 02, 2017
It looks like you have the "Smart Key" (a small rectangular box) that does not look like a traditional key.
What you also have is a dead battery inside the Smart Key.
Look closely at the box; there is a little button on the side. Press it. This will release a small hidden key. After you remove the small key, use a small flat blade screwdriver to pry the case of the box open at the slot provided. Take the unit to a store that sells miniature batteries, and have it replaced. You will NOT have to reprogram it after the battery is changed. The life span of the miniature batteries is roughly 20 months, less if exposed to RFI, like sitting on a TV, a monitor, or other electrical device. The Smart key TRANSMITS all of the time, even when you do not press the buttons. This is why the battery only lasts 18-20 months. Let me know if this fixes your issue..
Posted on Dec 16, 2008
SOURCE: i have a grand voyager
dont go through all the hassles of removing the door trim just take the terminal off the battery for about a minute then reconect again worked on mine good luck
Posted on Dec 20, 2008
I'm more familiar with Range Rovers and Saab's when it comes to key fobs but if you changed the battery you have to re-program the key fob. If you do not have an owner's manual that can take you through the steps you might want to try: push and hold the lock button on the key fob, put it in the driver's side door and turn to lock. With the button still depressed turn back to open, remove the key and release the button. If this doesn't work check any and all fuses associated with your system and last but not least you could take it to a dealer. Good luck!
Posted on Aug 25, 2009
Testimonial: "thanks ill try what you've suggested"
Turn ignition switch to position II. Turn ignition switch to position 0 and remove key. Within 1 minute: Press and hold key lock button. Press unlock button 5 times. Remote control should now operate system. If not: Repeat procedure.
Key remote control added or replaced. System malfunction.
Keys can only be programmed using diagnostic equipment.
Posted on Feb 14, 2010
Testimonial: "Spot on work great thanks."
there is a motor placed inside the doors for the operation of the central lockin system. when you open the door by key this motos is activated and all door locks are released. your problem may because of this motor is failed.
cause of the failure
1.the wire going to the motor may be chopped off.
2.the junction box connecting the wires may be damaged.
3.fuse may be blown out.
4.motor itsef damaged.
so please check weather power is coming to the motor using multi meter. if the power is not coming to it then the problem is with the wires. if the power is coming to it then problem is with the motor.
i suggest you to take to BMW because you need to remove the door pannel its better if they do it.
please vote me if my answer was useful to you.
Posted on Jul 12, 2010
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