1st Gen R53 Cooper S Most liked posts in thread: Battery

  1. MCS02

    MCS02 Moderator
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    Jul 31, 2009
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    Ok thanks. But are you sure your not dead? You could be stuck in Mini hell where people walk on your Mini, you fix it and they walk on it agin.
    Just saying :D
     
  2. Crashton

    Crashton Club Coordinator

    Jun 4, 2009
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    I put an AGM battery (Optima red top) in my MINI & didn't hook up a vent tube. Worst case scenario it goes bang, it is way back there & isn't going to hurt you a bit. It will leave quite the mess to clean though.
     
  3. Nathan

    Nathan Founder

    Mar 30, 2009
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    It is supposed to vent to the outside. That being said, I didn't hook up the vent line when I bought a new battery 2+ years ago. Obviously, I'm not dead.