Replacing a BMW Key Replacing a BMW key is a process that is easier by having the correct details. You will need to have a valid personal identification number as well as proof of ownership and the key code as well as the model year and model of your car. https://car-key-replacement61857.jts-blog.com/29338617/15-startling-facts-about-bmw-key-fob-you-ve-never-known