Originally Posted by
rayth
As Mr. Miata said, just get the O ring and get it installed the same time as the CAI and it will essentially be plug and play... and don't worry, you won't see "fits Crossfire" in any descriptions of that throttle body since its from the larger Mercedes engines but as long as you got the right part# you shouldn't have any problems
Let me throw in a correction here.. It's been noted, and I've seen on Ebay there is a different electrical plug in on the "same P/N".. seems as long as you stay in the 03 + Mercedes range your okay. Don't have it handy but there are a few threads that will show the correct plug interface..