BMW Key Fob Battery Type: CR2032 or CR2450 Guide
The correct BMW key fob battery type is usually a CR2032 or CR2450 disposable lithium coin cell, but older non-Comfort Access keys commonly use a soldered VL2020 rechargeable battery. BMW Display Keys use an internal rechargeable lithium-ion battery and must be charged rather than fitted with a coin cell. Verify the marking inside the fob […]