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How do you replace battery key.

45K views 6 replies 5 participants last post by  BMW_SSG 
#1 ·
Is there any way to replace battery key in 03 bmw 330xi.
 
#3 ·
Although it is a rechargeable battery, it will eventually wear out. If you constantly ue the key and it has had an opportunity to charge, then you do need to replace the battery. The remote is not designed to make this process easy though. Need to cut the key open and do a little soldering. There is a diy out there.
 
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