new here, appreciate any help
did an oil change on my 2009 328xi, sulev n52 83k miles
i read 6.5 qt capacity, so i put in exactly 6.5 qts, after warming up it read at the max line and OK as normal
after 200 miles it read 3/4 of the line and OK
so.. i added .3 qts and the reading didnt change. 20 miles later i added the remaining .2 qts in the bottle, again no change 3/4 mark and ok, 20 miles later
bought another qt added .2 and once again no change
so then i believe i have 7.2 qts reading 3/4.
now after 10 miles of driving, it changes to the usual max mark and OK
i see no leakage. do i trust the sensor now that it reads ok, or do i have too much oil in (knowing it has 7.2 qts) and need to drain some off
thank you in advance
Does the engine typically burn and/or leak oil? If not, then I suspect that the sensor is going bad. Deleting the dipstick is another wussification of the brand.
You’re overthinking it. A .2 over or under is negligible and difficult for an electronic sensor to detect. You have nothing to worry about at all.
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Unless you are on a track hitting sharp curves all day long, it doesn't need to be at the Full line all the time. Just leave it alone and wait for the car to tell you to add a quart.
Darin
Current:
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82 528i euro Saphire Blue Met/Blue Leather RIP
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M-Flight Member
I fully agree that a half a quart isn't important, under or over.
However; the capacity is in liters, not quarts. Either an N51 (sulev) engine, or an N52K without the additional oil cooler uses 6.5 liters.
6.5 liters is 6.87 quarts.
https://www.turnermotorsport.com/t-E...N51_or_LEV_N52
And don't be too sure about BMW oil level sensors being accurate......
Chris Powell
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These systems take awhile to register after adding oil give it a few days
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