Quote:
Originally Posted by killcrap
if the key doesnt start the vehicle, you must first check if it has been disabled. you need software to communicate with EWS control unit. If the key is enabled, and the EWS is the original one installed, then the key is faulty, and needs to be replaced, or using aftermarket tool to reset the key to virgin state.
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Thanks for the reply, but not sure what you meant. At least what I gather is that it involves more than the link I posted above. I bought the X5 used, one key fully works and the other does everything but start the car. I don't know if original, but my guess is that it may not be.
Reason I asked is that I talked to a friend who is a locksmith and he could reprogram a key, but only a single one. He mentioned that they keys are assigned "slots" and he doesn't know which ones are open or taken. So, he could clear everything, but he would be able to reprogram one "slot" only (he does this frequently at the auctions). So, can a dealer and/or indy shop with a GT-1 or other tool reprogram a key to an open "slot" to allow the tart function?