Originally Posted by Night Hawk
So, finally, I got my car back today from BMW after they had installed some of my OEM and aftermarket Carbon Fiber parts. Upon inspection, I noticed that the Challenge Diffusor they had installed had roughly 1/8in gap on the left side and around 1/16in gap on the right side on top where it meets the bumper. They agreed to try and correct it but seeing this has new issues with fitment, is it even do-able considering it is Carbon Fiber and is already adhered with M3 tape? or should I send it back for a replacement? Thanks...
Your part was test fit on a bumper here and has all the updated trims from production as well. You should only see the thickness of the tape if you looked at it directly from above like in your photos. The diffuser can be reinstalled with new tape applied FYI. I'll shoot you a PM on it to discuss how it was installed.