Originally Posted by 1speedbike
It's not a full replacement, but vinyl overlays (stickers, pretty much). I know I saw full red and black carbon fiber replacements floating around somewhere, but as I recall, the 1 series trunk has a weird concavity to it and not many options will fit it. Plus, I don't know of any replacement center caps with red and black, so I figured I'd just put on the vinyl.
The first set was from Bimmian.com (ordered 2 seperate set of roundel overlays, one with red cf, one with black). The second was from a user on here named Toxsuey. He's a great guy, but I'm pretty sure he's out of these since he stopped bumping his "for sale" post. I should have got more!
Here's what I said about them above:
Personally this is the coolest mod i've seen.