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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > oil level fluctuations after topping up



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      03-17-2015, 06:37 PM   #1
parabmw
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oil level fluctuations after topping up

On a long trip oil level indicated lowest bar. To add 1 quart.
I add half quart. I day later it indicates oil at top bar.

Would a long drive affect how much oil the sensor picks up?
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      03-17-2015, 10:26 PM   #2
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No it shouldn't. Sensor could be lose , are need to be replaced
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      03-18-2015, 01:53 AM   #3
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I have noticed mine sometimes did that when parking on inclines/etc.
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      03-18-2015, 02:46 PM   #4
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The oil expands as it gets hot and will increase the oil read level.
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      03-18-2015, 04:06 PM   #5
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Quote:
Originally Posted by David1 View Post
The oil expands as it gets hot and will increase the oil read level.

huh whut?
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      03-18-2015, 04:14 PM   #6
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Possibly bad sensor!
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      03-18-2015, 04:17 PM   #7
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Bad sensor or car was not fully warmed up when second reading was taken, esp if car has an oil cooler and t-stat had not opened yet.
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      03-19-2015, 06:11 PM   #8
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Quote:
Originally Posted by C.Pop View Post
I have noticed mine sometimes did that when parking on inclines/etc.
mine does that too

if i leave the car running on an incline i get a low oil message

bad sensor? or does the oil flow somewhere and then flow back?
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      03-19-2015, 11:22 PM   #9
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Quote:
Originally Posted by Seven11
Quote:
Originally Posted by C.Pop View Post
I have noticed mine sometimes did that when parking on inclines/etc.
mine does that too

if i leave the car running on an incline i get a low oil message

bad sensor? or does the oil flow somewhere and then flow back?
Normal
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      03-23-2015, 06:12 PM   #10
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Quote:
Originally Posted by David1 View Post
Normal
really?

thats weird.
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