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Is the oil level sensor affected by an incline?

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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jamesgarbett
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Is the oil level sensor affected by an incline?

Post by jamesgarbett » Wed Feb 08, 2023 3:30 pm

I was parked on a steep slope for 10 mins with engine running
Then i get the oil level low warning
No other symptoms or signs of an oil leak

Could the slope have fooled the sensor?
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Z4 '07 2.5Si Montego Blue

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Johnbmwz4
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Is the oil level sensor affected by an incline?

Post by Johnbmwz4 » Wed Feb 08, 2023 5:48 pm

Not Z4 related but my peugeot expert vans oil light comes on every time I park on an incline. It won’t go off until I drive it then turn it on and back off again. I always check the oil when the van is on a level surface when it comes on too and it’s always on full so never even topped it up.
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Is the oil level sensor affected by an incline?

Post by Silverstar » Wed Feb 08, 2023 5:56 pm

jamesgarbett wrote: Wed Feb 08, 2023 3:30 pm I was parked on a steep slope for 10 mins with engine running
Then i get the oil level low warning
No other symptoms or signs of an oil leak

Could the slope have fooled the sensor?
Yes! I get the same message sometimes under those conditions, then after a while it all goes back to normal.
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B21
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Is the oil level sensor affected by an incline?

Post by B21 » Wed Feb 08, 2023 6:14 pm

jamesgarbett wrote: Wed Feb 08, 2023 3:30 pm I was parked on a steep slope for 10 mins with engine running
Then i get the oil level low warning
No other symptoms or signs of an oil leak

Could the slope have fooled the sensor?
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javis20
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Is the oil level sensor affected by an incline?

Post by javis20 » Thu Feb 09, 2023 3:52 am

Funny you should mention it. My 2011 Z4 oil light cane on last week when parking on a decline. Previously oil level was at midway between min and max.

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