How Much Does a BMW Key Replacement Cost? BMW offers several alternatives for replacing keys lost however, they all come with costs. Each key is individually paired to your car's electronic system and can be costly for unauthorised parties to get their hands on. This process can take two weeks. https://auto-locksmith95691.webdesign96.com/31237229/what-is-bmw-car-key-cover-and-why-is-everyone-speakin-about-it