What is comfort access e90?Ĭomfort access is where there’s a groove on the door handle so you can open the door without the key in your hand simply by touching the inside of the door handle or lock the car by tapping the top of the door handle. If you have a low battery and would like the key charged up without driving the car simply connect an automotive battery charger your car how to recharge the bmw key batterybmw keys are charged while in the ignition. Put the key in the ignition and turn the key to the ‘ON’ position. Modern key fob batteries charge by induction when they are inserted into the receptacle. Remove the battery cables from the vehicle, wait 30 seconds, then hook them back up (reset computer). You could reprogram a key fob to a different vehicle as long as the key is the same for the vehicle. Remove the key from ignition and press and hold the unlock button for 15 seconds during this time press the key lock button 3 times within 5 seconds.Turn ignition to position 1 and back to off within 5 seconds.Working from within the vehicle and with the doors shut.
