Originally Posted by e90Elvis
Good question! I had forgotten about buying the guides, but I did buy OEM (same time I bought the diffuser). Mine is pre-LCI, but I don't remember if there is a difference in the pre-LCI and LCI rear bumper (I think the difference is just in the deck lid and tail lamps
Yes, that's what I was confused about as well. Someone told me if you order the pre-LCI bumper that you don't need the guides. So your bumper just bolted up without the guides?