Just wanted to let everyone know that there are indeed some products being developed for the M3. One for the primarily street users and one at the club racing level.
I can say that the technology in the club racing kit will blow you away. (but be prepared to pay for it too)
E92 M3 DCT - AiM EVO4 Data Logger / AiM SmartyCam HD / KW Competition 2-Way / OMP ARS Racing Seats / Brembo GT 365 / Pagid Yellow RS-29 / Rear Seats Delete