Getting a BMW Spare Key Your BMW's key fob may need new batteries. It is possible to upgrade to smart keys that use your smartphone as a replacement for a key. For security reasons, replacement fobs must be ordered directly from BMW and designed specifically for your vehicle based on https://car-key-repairs25306.blogmazing.com/29517309/bmw-key-1-series-tips-from-the-best-in-the-business