Programming a NEW BMW Key BMW E39, E38 E46, X5, X3
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Programming a new BMW key is very easy and quick. It requires a working ignition key and a quick 30 second process. Simply get in the car and close all doors. Insert your old key in the ignition, within 3 seconds followed by your new key to enable the EWS ignition lock code of your new key. Once complete, press and hold the unlock button. while holding press the lock button 3 times. The BMW will give a confirmation of the new remote programming by quickly locking and unlocking the doors. Each BMW Master Remote Key should follow this same process including your old master remote keys. Keys are available for purchase at the bimmernav .com website online store