BMW Spare Key Cost The loss of your car keys can be a costly inconvenience. To avoid this issue ensure that you have a spare key. You can buy one from your local locksmith or dealer. You can also purchase a replacement key from a dealer who specializes in keys. https://carkeyrepair81484.liberty-blog.com/30318626/a-guide-to-bmw-key-1-series-from-beginning-to-end