BMW Replacement Car Keys Losing your BMW keys can be stressful but it does not need to be costly. Choose a locksmith that offers top quality service at a reasonable price. Proof of ownership: This is usually a document that includes your name, address, and vehicle registration number. Key code: https://car-key-repairs84450.fare-blog.com/30276298/why-all-the-fuss-about-bmw-key-cost