How to Replace a Dead BMW Key Fob The majority of BMW owners will require a change in their key fob batteries at one time or another. Luckily, this is simple to do and won't cost you a lot. The key fob is powered by an ordinary CR2032 and can https://g28carkeysolutions81516.blogpixi.com/30993712/the-history-of-bmw-car-key-replacement