Originally Posted by LMC

Which is why the package content listing for the U.S. market includes that confusing item "sport suspension delete." In other words, our special M sport package is an M sport package that omits that feature. In place of the reasonably-priced plain vanilla sport suspension, we are offered an optional and expensive electronic dynamic handling package with whipped cream and a cherry on top.

Although I have not driven an X3 with the DHP, I'm sure it's great. For long-term durability, though, I suspect a plain sport suspension would be better while still providing good handling.