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Blue smoke coming out of the exhaust indicates that oil is getting into the piston cylinder and being burned along with the gas. This could be a leaking head gasket, worn piston rings, or the wrong weight engine oil (viscosity too low). A leak down test will be needed to diagnose.
Have you checked your engine oil level?
It sounds like you have a malfunctioning oil level sensor. Even with the oil level correct, if the oil warning indicator comes on after starting, the sensor is reading incorrectly. I would recommend replacing the sensor with your next oil service. As far as the sluggishness, the sensor operation will not affect that. I suspect that is a different issue.
Youve blown a head gasket more than likely. Does the water pour out on the ground when you add it, or just disappear. Pull your oil dipstick out and see if the water is getting in your oil. It will look milky instead of dark like oil should if it is.
hi, this consumption seems high, i would take it to a dealer and ask them to check the oil sensor.......
P.S. is there a lot of smoke coming from the exhaust, if so, it may be burning a little oil, ask dealer to check it
The above "Guru has no idea what he is talking about. The yellow oil light means you need a new oil level sensor, if your oil is indeed full. Its located in the oil pan and costs around $100.
Oh, and oil changed are around 15,000 miles, not 6000 miles. When the BMW is due for an oil change or inspection, the display says so. The yellow light is low oil. Please avoid giving advice when you don't know what you're talking about.
now when you put the brake on you are drawing power from the fuse board to feed the stop lights,so either you have a power supply problem of some description or the brake pedal mechanism has pulled some cables.But you could also have a ECU problem where when you apply the brakes its throwing up the oil light which could be caused by a bad earth.Sorry but this is one of them problems where a BMW dealer mechanic would obviously have come across this before and would be able to sort it out in minutes.But the problem their is that a lot of garages have unscrupulous reception clerks that like to write a bill out to milk the customer..
i am pretty sure the oil light comes on when the key is turned to the ON position, then goes out after it starts (providing oil quantity is not low). if it stays on after it starts, then may be an issue with sending unit.
mention it to the dealer when you take it in and they should be able to further diagnose.
BTW, what service is it going in for is oil service was performed 5000 miles ago?