How to Replace a Dead bmw keyfob Key Fob
The majority of bmw 1 series keys owners will require changing their key fob batteries at some point. This is a very simple task that won't cost you a fortune. The key fob is powered by an ordinary CR2032 and can be replaced at the local BMW dealer or online, or at an hardware store.
Replacement Battery
A lost key replacement bmw fob could be more than just a nuisance; it could be a risk. The last thing you want is to go to your vehicle, press the unlock button, and cheap then find that nothing occurs. This usually means that the battery in your BMW key fob has died. This is a straightforward fix that you can do at home using a new battery. The first step is to identify what kind of battery you BMW key fob needs - either one of the CR2450 (Smart Key) or a one of the CR2032 (Comfort Access/sleek slant-shaped keys).