BMW Replacement Car Keys Losing your BMW keys can be stressful but it does not need to be expensive. Find a locksmith who can offer 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-repairs07930.bcbloggers.com/29686361/bmw-key-programmer-it-s-not-as-difficult-as-you-think