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Old 09-05-2019, 08:47 PM
turquise1 turquise1 is offline
Join Date: Feb 2010
Location: Chicago
Posts: 344
turquise1 is on a distinguished road
Originally Posted by andrewwynn View Post
How full is oil and what grade? I would do the tests cylinder by cylinder to determine if one is at fault.

I suspect not enough lubrication backed by the revs clear it (more rpm more oil pressure). Also coincidentally the thicker cold oil stays in channels with less pressure. Does your oil light go off quickly at start (I have 3.0 but if it takes more than 6 sec. to clear the oil light I'm very low on oil.

Oil is Castrol 5W40 (ll01) and just filled it up. There is no oil light staying at startup. There used to be until I fixed the valve issue inside the oil filter housing.

I will do the cylinder testing tomorrow probably..


X5 4.4 01
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