Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
^ Undo the 2 bolts holding your Fuel Rail Gaurd and slide it off to look at the front of the lower inlet.
You will see if it has the RS letters embossed onto it
No sure when they came into prodction but my Nov 03 172 has one as standard :)