Quote:
Originally Posted by kawasaki00
The sample needs to be taken from the sump at the end of oil life. Do not take it from the filter area as many contaminants from the element can fall back into the cup area and skew the readings.
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Then that means the
only way to get an oil sample is via the drain plugs of the sump. Once again, the genius of BMW in eliminating the dipstick shines through
