Replace BMW Key Battery If your BMW key isn't able to open your vehicle or turning the engine, it may be time to change your battery. Fortunately, it's an easy fix. All you have to do is remove the cover of the key fob take it off, then replace the https://thekeylab-co-uk42025.humor-blog.com/29458522/15-best-documentaries-about-bmw-key-fobs