yellow oil light is on constantly


Asked by hagood Oct 05, 2020 at 06:00 PM about the 2006 BMW X3 3.0i AWD

Question type: Maintenance & Repair

start the car. the yellow light comes on and stays on, oil is full

11 Answers


Is this a oil pressure warning?

1 people found this helpful.

im not sure some have said it's a sending unit problem


would snap in a code reader. suspect oxygen sensor, sight unseen~

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it just so happens i have a new one, i was going to swap out today thanks

2 people found this helpful.

Use a mechanical oil pressure gauge to verify the actual oil pressure.

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By the way.. it smokes light blue on start up no matter the temp.then stops after a few seconds

1 people found this helpful.

thanks guys... i will check all and replace 02 i will let you know what happens..


A yellow oil light? It means you are a quart low. If you say the oil is filled, then I would suspect a faulty oil level sensor. A faulty O2 sensor will trip the Check engine light.

1 people found this helpful.

Yep oil level sensor is bad. Oil smoke at start up means the valve guide seals are bad.

Best Answer Mark helpful

Problem solved.. thanks to all....

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