bmw replacement key fob Spare Key - How to Replace the Battery
Sometimes, you'll need a new battery for your BMW key fob. It's a simple fix.
Find the keys you wish to program and an active fob. Enter your car with all the windows and doors closed and then insert the working key fob into the ignition and switch to put it in the correct position.
Keys stolen or lost
Keys that are stolen or lost is a common problem for many drivers. There are steps you can take to avoid this occurring. For instance, you could obtain a replacement bmw car keys (see this website) key from the dealership or a locksmith. You can also buy keys online from a seller who specializes in bmw 3 series key fob keys. You will need to have your key programmed by a BMW dealership or locksmith before you can use it.
The process of programming a new key or syncing additional fobs varies slightly depending on the type of key your car makes use of. The older bmw key fob functions models use traditional keys while newer BMWs have Smart keys or iDrive.