BMW Spare Key Cost Losing your car key is an inconvenience that could be costly. To minimize this problem it is recommended that you always have a spare key. It's a good idea get one from a dealer or a local locksmith. You can also purchase a replacement key from https://carkeyreprogramming51413.mdkblog.com/35919748/what-is-bmw-key-1-series-and-how-to-use-what-is-bmw-key-1-series-and-how-to-use