How To Open Bmw Key Fob To Change Battery. It may be necessary to contact your bmw dealer and ask for advice on how to resolve your issues with a key. Either slide the key out or spring it away from the fob.
1) remove the valet key, 2) slide a flat head screwdriver between the sides of the keyring, 3) break it open, (bmw has welded the fob closed and you have to break it open to get inside) 4) remove the pcb! To replace the battery in your comfort access bmw key, you will need to have a cr2032 battery. Your bmw may be damaged.
You Will Need To Cut The Bmw Key Open.
Press the small tab that can be found on the key fob and pull to get the valet key out the key you pull out will allow you to open the door with a dead key fob. Either slide the key out or spring it away from the fob. Car key fobs for example typically hold the key when it is not in use.
Remove Metal Key Blade From The Key Fob;
(pcb => printed circuit board) to put it back together will require more skilled work. Quick instructions on how to replace the battery on a bmw key without any. Your bmw may be damaged.
Hold The Button At The Base Of.
Remove old bmw key battery; Move the key out of the way if it is in the fob. If your key fob is fine, but you need to replace your bmw key fob battery, you’ll need a cr2032 battery.
Some May Have A Different Smart Key / Key Fob But This On.
This depends on what kind of fob you have. I changed the bmw key battery, but it still doesn't work. Replace with a new battery;
Comfort Access Bmw Key Battery Replacement
Then use a soldering iron to remove the old battery. The key you pull out will allow you to open the door with a dead key fob. Bmw designed the key fob to be the only tool you'll need to remove the battery.