BMW Remote: How to Change Battery (2014-2022) X1, X2, X3, X4, X5, X6, M, Series 2, 5, 6, 7, etc - YouTube
Amazon.com: Replacement CR2450 2450 OEM for BMW Remote Key Fob Original OEM (Bundle W. Tool and EDC Screwdriver) for 2009-2021 1 2 3 5 6 7 M F Series X1 X3 X4
Replace BMW Key Fob Battery The Easy Way
Amazon.com: GNMBINC for BMW Magnetic Key Fob Cover, Modified Racing Style Painting Key Case Cover Compatible with New BMW X1 X2 X3 X5 X6,1 2 5 6 7 Series Keyless Remote Control