BMW 2005 LT got a parasitic draw of 1.02 ma with everything off pulled all fuses but still showing up anywhere else I may look possibly a relay sticking any ideas ?

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14 Dec, 2016

  • 71%
    Solved this issue
  • 103min
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  • 74%
    Recommend to DIY
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1.02 ma is extremely low and may be the current used by the ecm to maintain the CPU memory and to run the clock setting
a current draw that low will not discharge a fully operational battery
consider this --a good 500 cranking amp battery with a discharge of 1ma will last over a year or years before it shows signs of needing a recharge
however if the battery has an problem cell then internal discharge will flatten a battery in hours
have a load test done on the battery
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