Originally Posted by D's Bimmer
I have done the full OEM conversion. From my perspective, you do want to have the parts that will cost you a couple of hundred extra. This ensures you have an OEM fitment, that the duct work lines up properly and that the front bumper especially is secured properly.
It is not a direct bolt on as the two bumpers use different guide dimensions.
Ok thank you for confirming that. I'm still going to do a dry fit in case the rep came with any extra parts to make it a bolt on or whatever but it looks like i'm most likely going to be ordering those parts unfortunately.