BMW Replacement Car Keys Losing your BMW keys to your car can be stressful however it doesn't have to be costly. Choose a locksmith that offers top quality at a reasonable cost. Proof of ownership: This is typically an official document that contains your name, address, and vehicle registration number. https://car-key-replacement61366.blogacep.com/35343874/5-bmw-key-cost-projects-for-any-budget