Originally Posted by Mthrice
Every five thousand or so miles I add a quart of oil to my M3. I don't notice black smoke billowing from the exhaust, so where is this oil going? I know M3s are known for burning oil, but this is ridiculous!
The oil doesn't burn black..unless its lit directly on fire. You would see white smoke, but at high rpms, you wouldn't see it, but possibly smell it.