Originally Posted by itsmeek
There is a DIY for SSK on an xi. It's a very simple install that doesn't require you to access anything from underneath the car. The only question is do we go with the ssk from the 330i or the one from the 328i. The question hasn't been clearly answered so I haven't ordered. Can anyone chime in?
If your referring to the UUC SSK they actually have a 335xi specific one.