Bmw X5 Key Battery Replacement. If your key fob is fine but you need to replace your BMW key fob battery youll need a CR2032 battery. If your key wont open you may have the non-comfort access version which has a built-in rechargeable battery.
Here at CAT Autokey we are an auto locksmith specialising in BMW and will come out to you and with state of the art equipment cut and code your key. In some models that battery is rechargeable. To do so hold your new key fob flat against the low key battery indicator on the side of the steering column.
These batteries cost less than 2.
In some X5s you may need to re-enter a security code to get your radio to work again. Your vehicles key fob whether original or a replacement remote key for BMW is battery powered. Move the negative - cable aside and cover so it does not accidentally come in contact with the battery terminal. The regular battery cannot be charged.