What Happens When Bmw Key Battery Dies. Here is why new battery-ECU matching is required each time you replace the battery in your BMW. Find out why this may be a waste of money.
If your BMW key fobs battery has run out you wont be able to unlock your vehicle remotely or if your BMW has Comfort Access use keyless entry. How to Manually Start BMW. When waking up to a dead battery and you cannot start your BMW anymore many people rush to buy a new battery.
Find out why this may be a waste of money.
BMW key battery dead cant start the car. First turn the ignition off and remove your key. Barring that call for a wrecker or locksmith to open the car or somehow get power to. If the battery completely dies the fob chip will also lose power and become useless unless reprogrammed directly by the automotive manufacturer.
