How to Get a BMW Replacement Key It can be a nightmare to lose your BMW key. It can also be expensive. However, finding an updated key isn't as complicated or expensive as it was in the past. You can buy a new BMW key from a reputable seller online. https://carkeyreprogramming12956.bloguetechno.com/what-s-holding-back-in-the-bmw-car-key-replacement-industry-65444046