Batteries
All modern remote car keys have a small battery inside which is used to power a radio transmitter to lock, unlock doors and activate security system. Over time this battery will discharge and you will notice that remote loses operating range and requires reprogramming. If battery gets totally flat your remote key will require reprogramming. We strongly advice to replace battery according to your 'owners manual book'
Like every electronic device, remote keys can occasionally fail for a variety of reasons. If your remote key has stopped working, firstly check if the battery needs replacing. We can help with this, as we stock all kinds of replacement batteries for remote keys. CR1632, CR2032, CR2025, CR2016, CR1620, CR1616, CR1220
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Rechargeable battery LIR2025 for BMW 1 3 5 7 X3 X5 Z4 E38 E39 E46 remote key fob