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2005 530i coolant temp & oil sensor accuracy

  • 19-03-2013 8:01pm
    #1
    rocky
    Registered Users, Registered Users 2 Posts: 2,961 ✭✭✭


    2 questions for BMW heads here...

    1. I enabled the display for coolant temperature, and it went up to 93-96, with highs of 101 which quickly goes down to 93 again...

    After an oil change with 0w30 , the temp goes to 99 degrees after a bit of spirited driving, then down to 78... And hovers around 85 degrees in normal driving .. is this good/bad/indifferent? Looks like the cooling is more efficient now...


    2. How reliable is the oil sensor for the iDrive display? Before the oil change, it indicated 2 bars (out of 5), then after a few days, 5/5, then 2 days later, 0/5 and I topped up with 1l of 5w30...

    After the oil change (6l, not 6.5 as in the manual), same day it showed 5/5 bars, next day 2/5, now a week later, 3/5... I expect it'll go up to 5/5 then suddenly it realizes I need a top up?? Can/should the sensor be replaced? I don't have a dipstick.

    Thanks.


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