If your engine is burning oil there is a good chance it won't pass a smog test. You should get it to a mechanic immediately as it's not only a danger to the environment, but possibly could be a danger to you.
Oil burning is usually connected to engine wear. Valve seals and piston rings wear out and allow oil to pass into the cylinder during combustion.
engine burning oil
The brand and weight of oil you use has no effect whatsoever on passing a smog test. Use the exact weight of oil that is recommended by BMW.
You either have an oil leak or the engine is burning oil cause by worn piston rings. If you see blue smoke it is burning oil.
your car has oil burning in the combustion chamber of your engine , need to rectify the engine block and replace piston rings
Yes, there are two main types of smog: "photochemical smog" and "sulfurous smog." Photochemical smog forms in areas with a high concentration of automobile emissions, sunlight, and warm temperatures, while sulfurous smog is caused by the burning of coal and oil, emitting sulfur dioxide into the atmosphere.
Air pollution, specifically in the form of particulate matter, nitrogen oxides, sulfur dioxide, and carbon monoxide, can be formed by car exhaust and burning coal or oil. These pollutants contribute to smog, acid rain, and respiratory issues in humans.
Oil leak or the engine is burning oil.
You can tell this before an oil change. If you see blue smoke coming out the exhaust your engine is burning oil. If you're oil level is low and you have no oil leak your burning oil.
The engine is burning oil
could be a gasket that has finally gaveway and the smell of oil is the oil burning on the engine.
2001 ford winstar sport burning engine oil