BMW Key Battery CR2450: Fitment, Replacement, and Fixes
A BMW key battery CR2450 is a 3-volt lithium coin cell used in several removable-battery BMW smart keys, especially some F-Series and G-Series Comfort Access fobs. The battery measures approximately 24 mm wide and 5.0 mm thick, but BMW model year alone cannot confirm fitment. Open the fob or check its part number before buying. […]