Originally Posted by icyhot e92
XI does not come with ZSP suspension. It comes with a slightly altered (xi version) of non zsp suspension since the fronts are different struts. But you are right in other regards. I have not heard of anybody requiring the use of e36 bumpstops.
Some cars end up not getting a drop on springs because either somebody installed the shocks/springs backwards, or the spring length is too long to even allow for a drop.
I have a BMW delivery invoice that says otherwise brother. Clearly states under the Optional Information..Code 0ZSP, Description: Sport Package
I'll take a pic of it and post it up...