Originally Posted by Nate@IND
Honestly the E90 market is really slow compared to the E92/93 M3. Besides Arkym I don't think Challenge or Vorsteiner will be making a full diffuser.
Sorry for the bad news.
Thanks for the reply Nate! No worries, I will get in contact with you fairly short about the current rear diffusers by Challenge or Vorsteiner - trying to decided which one! Compiling a small list of items I will be ordering soon through you guys! Cheers!