When light comes on it takes 1/2 qt to wet the bottom of the dip stick.

The 3.0i capacity is about 8qt so I'm maybe 1.5 low by the time the light comes on that is less then 20%. It would be similar to 1qt low on 5 qt system.

The best way for my car to know when the oil is getting low is to time how many seconds for the oil light to go out on a cold start. Along with that, the engine will tick for a few seconds. When the tick lasts more than ten seconds I know it's time to add oil.


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2011 E70 • N55 (me)
2012 E70 • N63 (wife)