2009 BMW 328i Key fob stopped working after replacing battery (None-comfort access) - BMW 3-Series (E90 E92) Forum
How To Replace Your BMW's Key FOB Battery | Florida, Lakeland | Our Team Member, Nathan Briceland, shows you how to replace the battery in your BMW's Key FOB. For more info
1997-2003 BMW 5 Series Key Battery Replacement (1997, 1998, 1999, 2000, 2001, 2002, 2003) - iFixit Repair Guide
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