Replacing a BMW Key If you have the right details to replace a BMW key can be an easy process. You will need a valid personal ID number and proof of ownership, the keycode, along with the model year and type. To program a key, shut all windows and doors. https://thekeylab57649.ivasdesign.com/52237384/a-step-by-step-guide-to-bmw-key-fob-from-beginning-to-end