What Functions Does a BMW Key Fob Have? Your BMW key fob probably has many functions. You can use it to unlock your doors, operate your windows and even start your engine. There are some tricks you may not know about. Here are some of the best. Functions The BMW https://carkeyreplacements39458.blog-eye.com/30316474/it-s-time-to-expand-your-bmw-key-fobs-options