Quote:
Originally Posted by bmw540san
I see. I'm not familiar with new style keys and I always thought that you can't replace batteries in those. I'll search for what you said. Thanks.
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Sorry, previous message was from my phone. So painful typing on it sometimes (I was tipsy at the pool).
So, try this video out. Basically the batteries are "lifetime" - so BMW wants to sell you a new $250 key. But you can in fact change the battery.
https://www.youtube.com/watch?v=B3PQrr-YcLI