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Originally Posted by tom woolner
Earlier today, I noticed that my oil pressure was dropping to almost zero while idling, and it continued to do so for the next twenty minutes it up, and now it does not drop below the first bar. what is the normal oil pressure for a 500E, with approximately 150,000 miles? I use dino 20-50, oil was changed less that 2000 miles ago.
Thanks,
Tom
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1.5 bar at idle warm.
Old engines will drop to 1 or slightly less.
Should immediatly rise to 2 bar or more at 1500 rpm and more at higher rpm's.
OE filter is best.
Try synthetic ....seems to hold idle pressure better.
FWIW....BMW is filling with 15W/ 65 in the hi po engines to stop low oil pressure at idle in hot weather. !
