Ive got it on order from my local dealership. I have a 184, Going to take 5 days for deliver to the dealership. Comes with a more powerful cooling fan, new intercooler and a new ECU. My dealership have quoted £1334 for the kit and fitting. All covered by warranty as well!
Here's a good review from this site
http://www.e90post.com/forums/showthread.php?t=562073