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  1. E46 (1999 - 2006)
    I've searched quite a few OAT issues, but never have I found this one. If the AC is off, all is well. The OAT registers properly. The minute I turn the AC on, it starts climbing about 2*F a minute !, even at highway speeds. This is the OAT, NOT the coolant temp ! If I turn the AC off, it will...
  2. E36 (1991 - 1999)
    outside ambient air temp sensor missing oat sensor as it only runs to OBC with no impact on engine systems I dont really care BUT now that it is missing I get OBC warning it is -35F ..."very cold " anyway I would like to spoof the OBC with a false sensor or ??? want to just put a resister...
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