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Genuine BMW 61212286201 Auxiliary Battery; E1BI-EP Battery 20AH - BMW | AUXILIARYBATTERY BATTERY BMWAUXILIARYBATTERY BMWBATTERY
![Amazon.com: Energizer TX24HL AGM Motorcycle and ATV 12V Battery, 350 Cold Cranking Amps and 21 Ahr, Replaces: YTX24HL-BS and others, Black : Automotive Amazon.com: Energizer TX24HL AGM Motorcycle and ATV 12V Battery, 350 Cold Cranking Amps and 21 Ahr, Replaces: YTX24HL-BS and others, Black : Automotive](https://m.media-amazon.com/images/I/81A5-IoIhyL.jpg)
Amazon.com: Energizer TX24HL AGM Motorcycle and ATV 12V Battery, 350 Cold Cranking Amps and 21 Ahr, Replaces: YTX24HL-BS and others, Black : Automotive
![2015 BMW i3 Rex here. 12v battery totally dead so fob not working. Unlocked car manually to manually release the frunk 2015 BMW i3 Rex here. 12v battery totally dead so fob not working. Unlocked car manually to manually release the frunk](https://f01.justanswer.com/Daniel-BMWtech/30001727-c9b4-48f6-a5f3-453e87f8a508_DWA_Siren_location.png)