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Thread: 2013 135i Battery Question

  1. #1
    Join Date
    Oct 2017
    Location
    Memphis, TN,
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    2
    My Cars
    2013 BMW 135i

    2013 135i Battery Question

    Car has 32,000 miles - pampered and serviced at dealer and has the original BMW battery. Question: should I be seeing a green light or other in the battery window at all times? I momentarily received a "battery dischg" message after starting, but it extinguished quickly and have never seen it again. The light in the battery is definitely not on right now, but the car starts fine without any indication of a weak battery or any messages. The battery is now hooked up to a delron charger and indicates a maintenance charge (green light on the delron unit) after initially charging up for about 12 hrs.

  2. #2
    Pelican Parts's Avatar
    Pelican Parts is offline Senior Member Supporting Vendor
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    Aug 2013
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    Harbor City, CA
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    '02 E39 Touring
    Hello and welcome to the forum! The green light indicates that the battery is sufficiently charged. I wouldn't worry too much about the message that you received for a moment - maybe a brief hickup
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  3. #3
    Join Date
    Dec 2013
    Location
    Chicagoland area
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    4,372
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    EXOTICS
    Using a multi/volt meter measure voltage at battery terminals,
    Engine off(12.4~12.7)volts.
    Engine on(13.5~14.5)volts.
    If you display these readings, your battery should be fine.
    Last edited by MIKYZZ4; 10-24-2017 at 07:10 AM.

  4. #4
    Join Date
    Aug 2015
    Location
    oxnard,california,usa
    Posts
    38
    My Cars
    2001 740il, 2013 135is
    Mine went out at 33k miles🤷*♂️


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