BMW Key Battery CR2450: Fitment and Replacement Guide
A BMW key battery CR2450 is a 3-volt lithium manganese dioxide coin cell used in some BMW remote keys, especially certain F-Series Comfort Access fobs. The CR2450 measures 24.5 mm wide and 5.0 mm thick, but BMW fitment depends on the exact key housing, battery holder, and equipment package, not the vehicle model or year […]