BMW Key Fob Battery Type: Find the Correct Cell Fast
The correct BMW key fob battery type depends on the fob’s construction and charging system, not the BMW model name alone. Most modern removable-battery keys use a 3-volt CR2032 or CR2450 lithium coin cell, while older sealed keys may contain a rechargeable VL2020 soldered to the circuit board; BMW Display Keys use an internal rechargeable […]