There is a simple bypass to start your vehicle even with a dead key fob.

How to start the car with key. Sit in the driver’s seat of your vehicle with your key fob. Replace the batteries inside the key fob, there are batteries for it to function. Simply put your foot on the brake, and press and hold the front of the key fob onto the start/stop push.

Simply take one end of the wire and attach it to any common hot terminal (“t” wire on the ignition switch), then touch both ends together by attaching them to either side of where. You can find it on the other side of the buttons. The car can be started without a battery since the key fob has a passive radio frequency chip.

This requires you to get into the keyhole about 2/3 inches. Once you have access, you can insert the screwdriver head and try to turn. Use a pen to hotwire.

You can start your car even if you have lost its key. If you find yourself locked out of your car, there is hope. The first method is to utilise a screwdriver and hammer / drill.

Put your foot on the brake and hold the dead key fob on the push start button for your car. Most manufacturers build in an emergency backup program that allows fobs to start vehicles when right next to the start. Use your drill or hammer to access the area.

To start the car, the computer first needs to receive a signal from the microchip inside the key fob. If the car won't start with the presence of the fob within the car, then place the fob against the start button as you press to start. Remove the metal blade from the bmw key fob.