Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #1
    Join Date
    Jul 2011
    Location
    North San Diego, Las Vegas
    Posts
    1,960

    Battery Blowing Up

    Not ZHP. But a BMW. This is for my E30 M3. If out of topic, please delete.

    To all battery gurus and others.


    Did one crank this morning for my bi-monthly ride. Turn ignition On and I heard a THUD. Then no more crank for the second try.

    Opened up trunk and I see smoke and smell electrical short. Opened the battery tray cover and all of the battery water are spilled all over and down to the holding tray and void. All battery water. Took everything apart and cleaned and rinse all chemicals.

    Battery since 2016. And always on battery tender when not in use. Battery tender was unhooked when I initially started the car.

    How does a battery blow up? low out was from both Positive and Negative side. And Inspection covers all popped. So got another from O'Reilly's.

    Thanks.

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    Lawrence
    "But Mama....That's where the fun is!"
    BMW CCA #192742
    San Diego & Sin City Chapter
    NRA Lifetime Member

    STABLE
    '90 M3 AWII - Garage Queen (The Crown Jewel)
    '20 X5 M Sport Tourquis Blue - #3 Son Ride
    '23 X5 M Sport Sapphire Black - #1 Son Ride
    '23 X5 M Sport Mineral White - Daughter & Grand Kids Ride
    '24 X4 M40i Brooklyn Grey - SO's New Ride
    '05 330i ZHP Mystic Blue Metallic 6 spd - My Ride
    '03 Nissan Frontier XE Crew Cab - Hauler & Down Range vehicle

  2. #2
    I have never seen a battery do that in a car but then I tend to change out my batteries within 5 years.

  3. #3
    Join Date
    Aug 2014
    Location
    Leesburg, VA
    Posts
    1,213
    Overcharging is one of the main causes of battery swelling. Overcharging is usually from a bad voltage regulator. You need a charging system test before the new battery gets damaged. https://micdot.com/car-battery-bulge/
    2006 330ci ZHP - Silbergrau Metallic / Stoff Laser/Anthrazit / Alu Black Cube trim / Adaptive Xenon headlights / HK hi-fi system / heated front seats

  4. #4
    Join Date
    Jul 2011
    Location
    North San Diego, Las Vegas
    Posts
    1,960
    Would trickle charging be considered overcharging? Battery was purchased in 2016. Over 8 yrs. Battery rarely used since the M3 is a garage queen. Used twice a month only. Nice article. Thanks @John in VA.
    Lawrence
    "But Mama....That's where the fun is!"
    BMW CCA #192742
    San Diego & Sin City Chapter
    NRA Lifetime Member

    STABLE
    '90 M3 AWII - Garage Queen (The Crown Jewel)
    '20 X5 M Sport Tourquis Blue - #3 Son Ride
    '23 X5 M Sport Sapphire Black - #1 Son Ride
    '23 X5 M Sport Mineral White - Daughter & Grand Kids Ride
    '24 X4 M40i Brooklyn Grey - SO's New Ride
    '05 330i ZHP Mystic Blue Metallic 6 spd - My Ride
    '03 Nissan Frontier XE Crew Cab - Hauler & Down Range vehicle

  5. #5
    Quote Originally Posted by das boots View Post
    Would trickle charging be considered overcharging? Battery was purchased in 2016. Over 8 yrs. Battery rarely used since the M3 is a garage queen. Used twice a month only. Nice article. Thanks @John in VA.
    I would say it depends on the brand of trickle charger/battery tender you are using. I have been using the CTek battery tender on my Porsche and M3 for years and have not had any issues with the battery in either car. Since Porsche sells CTek battery tenders under the Porsche name I figured having CTek battery tenders to keep the battery charged in both cars is good enough.

  6. #6
    Join Date
    Mar 2011
    Location
    Independence KY
    Posts
    2,849
    I’m not by any means extremely knowledgeable on car stuff but I’ve never seen a battery do that either. That’s pretty wild, glad nothing more serious happened to the car
    2005 BMW 330i ZHP - BMWP calipers/intake/strut bar/shifter, M3 CSL front/M3 rear rotors, Coby wraps interior, BBS CH wheels, Eagle Eye LED tails, LED fog lights, GC coilovers, Sprint Booster/sport button mod, 4.5 LCM w/ programming, Xtrons 9inch HU, BSW stg1, dynamat, M3 sedan dead pedal, oCarbon CF interior trim, CF seat backs, 2x2 CF MTECH2 diffuser, CF cabin filter cover



  7. #7
    Join Date
    Jul 2011
    Location
    North San Diego, Las Vegas
    Posts
    1,960
    Battery tender is a BMW cigarette lighter plug in type. Maybe learned a lesson not to leave charger plugged in all the time?

    Never happened before on previous battery with plug in trickle charge. E30 M3 does not have the Positive terminal under the hood unlike the E46.

    I use the C-Tek charger on my E39 530i with direct wiring to the battery terminals in the trunk.

    I also use another BMW charger for the ZHP with hook ups in the hood.
    Lawrence
    "But Mama....That's where the fun is!"
    BMW CCA #192742
    San Diego & Sin City Chapter
    NRA Lifetime Member

    STABLE
    '90 M3 AWII - Garage Queen (The Crown Jewel)
    '20 X5 M Sport Tourquis Blue - #3 Son Ride
    '23 X5 M Sport Sapphire Black - #1 Son Ride
    '23 X5 M Sport Mineral White - Daughter & Grand Kids Ride
    '24 X4 M40i Brooklyn Grey - SO's New Ride
    '05 330i ZHP Mystic Blue Metallic 6 spd - My Ride
    '03 Nissan Frontier XE Crew Cab - Hauler & Down Range vehicle

  8. #8
    I had a battery explode like that many years ago. It was a cold day and I had tried starting the car until the battery got weak. I hooked up the jumper cables and let the battery quickly charge. It was when I took the cable off that it exploded because of the jumper cable spark that happened when taking a live cable off. I now know to always remove the cable from the car providing the power first. Charging creates hydrogen gas. This link explains: https://www.offroadxtreme.com/tech/w...ith-a-battery/
    2004 CiC 6MT Silver Gray (A08) Black Interior 1 of 51 Made
    Intravee - Navigation - Back-up Sensors - Cold Weather Package - Home Link Mirror
    Winter Hardtop, too - A Sweet Ride

  9. #9
    Join Date
    Jul 2011
    Location
    North San Diego, Las Vegas
    Posts
    1,960
    Direct short inside the plates.
    Lawrence
    "But Mama....That's where the fun is!"
    BMW CCA #192742
    San Diego & Sin City Chapter
    NRA Lifetime Member

    STABLE
    '90 M3 AWII - Garage Queen (The Crown Jewel)
    '20 X5 M Sport Tourquis Blue - #3 Son Ride
    '23 X5 M Sport Sapphire Black - #1 Son Ride
    '23 X5 M Sport Mineral White - Daughter & Grand Kids Ride
    '24 X4 M40i Brooklyn Grey - SO's New Ride
    '05 330i ZHP Mystic Blue Metallic 6 spd - My Ride
    '03 Nissan Frontier XE Crew Cab - Hauler & Down Range vehicle

  10. #10
    Join Date
    Jan 2019
    Location
    Ft. Lauderdale, FL
    Posts
    227
    I JUST had this happen to me last Thursday in my 1985 Mustang. It was on a NoCo Genius 1 tender for about 6 weeks. I removed the charger and it exploded blowing the top off the battery when I went to start the car. In the process of RMAing the charger. Boy did it make a mess though with acid everywhere. What kind of charger were you using?

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    '04 330i ZHP sedan | Mystic blue | Alcantara | 6MT | 111k
    '98 740il | Schwartz 2 | Sandbeige | 5AT | 238k | lowered on Bilsteins w/ B&G springs
    '00 540i sport | Titanium silver | Black | 5AT | 120k
    '85 Mustang GT convertible | Medium charcoal metallic | Gray | 5MT | 215k | one owner, all original

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