Nowadays, most cars use keyfobs instead of their metal alternatives. But BMW’s come with an emergency key in the keyfob, just in case. Follow these steps to start your BMW with a mechanical key:
Once you’ve followed those steps, your car should start! If it still doesn’t work, your key might be defective, or you may have an issue with the ignition module. At that point, you should bring your car to a professional and have them take a look.
MORE: Why isn’t my car starting? A quick troubleshooting guide