Why is a Certified Pre-Owned BMW Such a Great Value?

It's no real secret that no automobile suffers from initial depreciation more than a luxury car--it's just a fact that luxury cars benefit the most from their "new" status, and when they are shifted to "used" status, they take a fairly large hit to their value.
If you're planning to drive your BMW for a decade or more, as many drivers do, this isn't an issue at all. But if initial cost and early value are a concern for you, you may be looking for a low-mileage, recent-model-year BMW that's already taken that hit of…