IrvesBMW Posted January 9, 2024 Share Posted January 9, 2024 Greetings I would want to inquire about the battery in my 2021 BMW X1, which is equipped with a Genuine original BMW EFB battery manufactured by Banner. I have noticed that most X1 models are equipped with AGM batteries. Is the BMW X1 or any other model equipped with a factory-installed EFB battery or an AGM battery? Kindly respond to the poll. Thank you. Quote Link to comment Share on other sites More sharing options...
TechWhiz Posted January 9, 2024 Share Posted January 9, 2024 I was not aware that any BMW models were equipped with Enhanced Flooded Battery (EFB). I had the understanding that all BMW vehicles used Absorbent Glass Mat (AGM) batteries. Is the banner battery a BMM battery? Quote Link to comment Share on other sites More sharing options...
IrvesBMW Posted January 9, 2024 Author Share Posted January 9, 2024 Affirmative, it is. Please refer to the accompanying photograph. To be frank, I find it quite peculiar. I have discovered an additional x1 available for purchase online that has an identical battery. I am seeking information from those who have an electronic flight bag (EFB) in order to enhance my knowledge before discussing it with BMW. The car I possess is a 2021 BMW X1 M Sport with a 2-liter engine. It was previously used as a demonstration by the BMW dealer, and I am now the first private owner. Is an EFB battery sufficiently potent for the electronics of BMW vehicles? I am receiving battery low notifications. Quote Link to comment Share on other sites More sharing options...
IrvesBMW Posted January 9, 2024 Author Share Posted January 9, 2024 Quote Link to comment Share on other sites More sharing options...
Geek2232 Posted January 9, 2024 Share Posted January 9, 2024 Does the date code on the negative terminal correspond to the date of the car's manufacture, indicating that it is still equipped with its original battery? Quote Link to comment Share on other sites More sharing options...
VWDaveBMW Posted January 9, 2024 Share Posted January 9, 2024 My automobile is equipped with lithium batteries, which cost £800 each.The user's text is "M4". Quote Link to comment Share on other sites More sharing options...
IrvesBMW Posted January 9, 2024 Author Share Posted January 9, 2024 Indeed, the date code corresponds to the year of the automobile (2021), providing assurance that it is the original battery from the manufacturer. Quote Link to comment Share on other sites More sharing options...
Geek2232 Posted January 9, 2024 Share Posted January 9, 2024 I have no desire to own an M4, to be honest. Quote Link to comment Share on other sites More sharing options...
VWDaveBMW Posted January 9, 2024 Share Posted January 9, 2024 The refurbishment of these items may be done at a cost of £300. The process involves disassembling them and recharging the cells. It is important to note that this procedure cannot be carried out using turrets. I have seen a YouTube video demonstrating the process, which seems to be rather hazardous and requires the use of a suitable charger. I own a Noco Genius charger that is capable of charging lithium batteries, but it is only effective for batteries that are still in good condition.I use my stop-start feature on a monthly basis to verify that my battery remains at full capacity. Quote Link to comment Share on other sites More sharing options...
Geek2232 Posted January 9, 2024 Share Posted January 9, 2024 It is intriguing that you find it interesting. Thank you. Quote Link to comment Share on other sites More sharing options...
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