I believe that BMW transitioned from screw-on to push-on shift knobs in the '80s, starting with the later E21s. I *think* all E24/28s had screw-on, but I'm not certain about that. Try going to bavauto.com and do a search using your year and model. That will tell you what type. If it is indeed a screw-on, then do a… » 3/15/13 9:18am 3/15/13 9:18am