Had these on my previous e90 M3 prior to puling the trigger on a full LCI trunk and tail swap.
Bought them second hand, and had no issues with them at all. They're definitely better than the OEM Pre-LCI tails, but won't quite be as nice as LCI.
Here's my build thread:
http://www.m3forum.net/m3forum/showt...=444021&page=2
[http://i77.photobucket.com/albums/j79/xcartelbdyboardx/June%201/DSC_0040_zps7d8dfefe.jpg[/img]