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Thread: 2015 M4 Lithium Battery Charging

  1. #1
    Join Date
    Sep 2013
    Posts
    3

    2015 M4 Lithium Battery Charging

    If this was addressed earlier please forgive me. This is my 2nd time putting a car in hibernating over the winter. The first car contained a lead battery and I didn't have any trouble keeping it charged over the winter. I now have a 2015 M4 which just went down for its winter nap. What I heard is that this car has a lithium battery and I needed to get a trickle charger that will accommodate. I purchased one especially from the BMW dealer for this type of battery (I now understand that CTEK has one that is cheaper - my mistake). Is there anything I should know about this charger or is it pretty straight forward. I've heard that if I leave the hood ajar, it may cause issues. I would appreciate any advice! Thank you!!

  2. #2
    Join Date
    Sep 2013
    Posts
    3
    IMG_2348.JPG

    Yas Marina Blue!!
    I've gotten more compliments on this car's color then any car I have owned!!
    Last edited by UBER 335; 11-27-2018 at 04:22 PM.

  3. #3
    Join Date
    Feb 2001
    Location
    Fort Lauderdale, FL.
    Posts
    92,518
    My Cars
    2017 M3 Sedan
    Me too... I was the first to have it around here. I've seen 4 others pop up over the span of a year.
    Let me get this straight... You are swapping out parts designed by hundreds of engineers that get paid thousands of dollars for something you bought at Pep Boys because your buddy who doesn't have a job told you it was 'better'?!?

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