BMW Key Fob Battery Replacement: A 5-Minute DIY Guide
BMW key fob battery replacement usually takes 2-5 minutes and costs $4-$10 when the fob uses a replaceable CR2032 or CR2450 coin cell. Remove the valet key, open the designated cover or tray, match the old battery number and polarity, install the new cell, and test the buttons. Most replaceable BMW fobs retain their programming […]