Originally Posted by jphughan
Well unless you've kept your car in the garage with 0 miles on it since you bought it, by definition your engine is used, just like the rest of your car. Does the knowledge that your engine isn't new anymore bother you every time you walk out to your car? If not, then it probably shouldn't bother the OP to have such an engine put under his hood.
Yes, I agree that there are degrees of used, and at that point I guess it's up to BMW's engineers to develop solid tests and tolerances -- but unless someone here happens to know what those are and is qualified to cast an opinion on them, that's a pretty moot point.
If I'm getting my engine replaced, I wouldn't want a used one. The engine in my car being used since it has been driven has zero relevance to the point in question. I know what has been done to my engine, a fact that I would not be privy to if it were being replaced with a reman. Why do you think there is a price difference when you buy a new motor versus a reman motor if you think they are identical?