mini one key fob Cooper Key Fob Replacement Mini Cooper Key It is recommended to purchase keys from the dealer if you're in the need of one. They're usually more affordable than non-branded ones and come with various features, including rolling down the windows. They are also available online, but might not be compatible with your vehicle. They will need to be programmed to match your car, which can take time and costs money. Cost A lot of newer vehicles come with a remote key fob that allows the driver to open and start the vehicle. While these fobs are useful however, they can cost a lot to replace if they get lost or broken. In some cases you might need to replace the entire fob. You can request a second key fob from the dealership or online retailer. Depending on the type of key you can also get an exchange at the locksmith or an auto parts store. However, it's important to be aware that these key fobs have an integrated chip that connects to the car's system.