What Functions Does a BMW Key Fob Have? Your BMW key fob could have many functions. You can use it to unlock your doors, operate your windows and even start the engine. There are a few tricks you might not know about. Here are a few of the most effective. https://carkeyrepairs96692.laowaiblog.com/29417662/5-must-know-hismphash-practices-you-need-to-know-for-2023