2003 BMW 330i Q&A
2003 BMW 330i Question: oil consumption
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. - Chow
2003 330i about 135K mostly highway. Pulsating noise on right side of engine at idle. Unable to determine if inside engine. Service Engine light on. No noticeable loss of power detected. Recent...