What Functions Does a BMW Key Fob Have? Your BMW key fob probably has numerous functions. It can be used for many things, including unlocking your doors, adjusting your windows as well as starting the engine. There are some tricks that you might not be aware of. Let's look at https://thekeylab18489.tokka-blog.com/30342512/10-bmw-key-fobs-tricks-all-pros-recommend