HQRP Battery is 100% compatible with 3-series BMW E90 / E91 / E92 / E93 Key Fobs. General Features: - Rechargeable Battery, Voltage DC 3V, - 100% Compatible with Original Battery - Warranty: 200 days warranty. You would need to have some soldering skills in order to replace the battery.
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Item# : SPM4747149201
Model # : 884667406061194