Originally Posted by Mike Benvo
Burnt oil is usually bluish in color when coming out of the tail pipe. You can usually smell it if it's bad.
White smoke is usually steam, and black/grey is usually fuel.
1 quart every 5K is not too far out of the ordinary. Mine takes one every 7 or 8K just before I change the oil.
LOL I thought the s65 hardly burned any oil. My old s85 on the other hand would burn a quart at least every 1k miles