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battery diy

  1. E90/E91/E92/E93 (2006 - 2013)
    Can anyone with ACTUAL BMW Maintenance experience answer if it is crucial that you buy an exact replacement battery. For example, I have an 2007 335xi that badly needs a new battery, the current battery is a 12V 90 Ah 720 A 720 CCA 160 RC (pictured), do I have to get a battery with those exact...
  2. X3 F25 (2011 - 2017)
    Newbie here. Thanks in advance for your patience. I was wondering what the red box on top of the battery is and if I need to have any special steps or consideration for it when changing my battery? Thanks. Hopefully the image is attached!
  3. E90/E91/E92/E93 (2006 - 2013)
    Hey guys I need new battery or my 335i 2010. Any suggestions? its the first time I'm changing this so Im not sure if there's a BMW-friendly one or do I just get motolite? Thanks, Mellany
  4. 7 Series - E65 / E66 (2002 - 2008)
    the car was switched on and i forget to remove the key from the socket after 3 or 4 ours i came back to the car i tried to start it but it won't start i think the battery is dead after some trails even the key is not coming out of the socket please help me what should i do and how? or if i need...
  5. 7 Series & 8 Series
    after the battery being flat for over 3 months. we finally decided to switch the battery. we put it in and all the electricals all work, but for somereason, the car will not crank. we have a 1998 740I what wrong??
  6. 7 Series - E65 / E66 (2002 - 2008)
    I need some help i have a 2002 745li it as about 94,000 miles and is out of warranty due to time. I recently have the car in the body shop for minor body work the battery had to be jumped a couple times to move the car in the shop with out any problems but this last time it sat for about 2 weeks...
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