Replace BMW Key Battery It could be time to replace your battery If your BMW key isn't able to open your car or turn on the engine. Fortunately, it's an easy fix. Simply remove the key fob, replace the battery, and then gently put it back. Follow these steps to https://car-key-replacements39666.yomoblog.com/36410535/10-bmw-key-fobs-friendly-habits-to-be-healthy