BMW Replacement Car Keys Losing your BMW keys to your car can be stressful, but it doesn't have to be expensive. Find a locksmith service that can deliver superior quality at a low cost. Proof of ownership: This is typically a document with your name, address, and vehicle registration number. https://car-key-reprogramming63801.dgbloggers.com/30434731/11-ways-to-totally-defy-your-bmw-key-programmer