VL2020 E46 E39 E38 E53 3 5 7 Z3 RECHARGEABLE BATTERY KEY FOB for

To replace the battery, you will have to carefully cut open your old key fob and de-solder the old battery and solder our new battery. Once you replace the battery, you must re-initialize all your keys.

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for 1996-2012 Remote Key FOB Battery LIR2025 (90 Degrees) Compatible with BMW Remote Case Shell fits 3 5 7 Series, M3 M5 M6 Z3 Z4 Z8 X3 E63 E38 E83 E53

How to change a BMW diamond key battery. E46 E39 X3 X5 Z4

2PCS Remote Key Fob Rechargeable Battery VL2020 Fits for BMW E39 E46 E53 E60 E90