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Old 08-16-2007, 08:25 AM   #21
luckysnafu
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Join Date: Feb 2005
Location: Worcester, MA
Posts: 490
My Ride: e90 330i|87 328(m52)
Quote:
Originally Posted by sikhkd View Post
does anyone know of a way to change the battery and reset the key without having to use another key?
Why do you need another key to reset the one you replaced the battery in? You just stick it in the ignition, turn it to the on position, remove it within 5 seconds, then hold the unlock button down and press the lock button 3 times within 10 seconds and release both buttons. The doors should lock/unlock to give you confirmation and your key should work. You do not need another key in order to do this. If it doesn't work the first time, try again, it should work.
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