oil consumption on 2003 BMW 330i

Hi guys my BMW consumes a lot of engine oil, even i change type and quality and still consumes. And also there is no smoke coming out of exhaust

1 answer
Make sure oil is recommended
Make sure you don't have any external leaks
If the cylone/breather system is blocked, oil vapour is burned more excessively
Is the engine sludged un the cap? If so could possibly indicate a blocked cyclone.