As for 2010 Duke Dynamics replaced all the diffusers with fins.
We custom design this fins diffuser to fit your E92 / E93 M-Tech rear bumper and your Bastuck quad exhaust or custom quad tips. The sharp 3-fins give the car an aerodynamics looks and additional down-force.
Duke Dynamics is proud to present their D2 PowerVented Carbon Fiber Hood for the BMW E92/E93. The D2 PowerVented hood is designed to have OEM-type fit and finish and is built to incredibly high standards. Only the highest quality carbon fiber raw materials and resins are used in the production of our ALL our pieces.
Weight Comparison:
D2 Carbon Fiber hood: 24 lbs
Stock Hood: 39.7 lbs.
We are going to release a new csl trunk for the E92 / M3 this Fall. Here is a sneak peek of our latest creation. 
DUKE DYNAMICS E92 M-Tech 335i Fins Diffuser in (1×1) Plain carbon fiber weave.
Twill (2×2) Carbon Fiber Weave can be found here. http://www.dukedynamics.com/blog/?p=394
Our special friend in Capetown, South Africa had installed the Duke Dynamics E92 335i M-Tech diffuser with fins.
If you are in South Africa; make sure you contact Revo-Rennzport.
Thank you for submitting these photos, can’t wait for the photoshoot pic.
