I just placed my order for the parts required for the conversion. I will post details and parts lists and costs once the build begins.
For those wanting to fit a 1m exhaust on a USA 135i, I purchased the 1M battery tray mod and shielding. I will make a detailed separate thread for that.
MY Build Log
08 AW 135i | Cobb | ETS FMIC | ER CP w/ Tial Bov | AR Catted Downpipes | Berk Mids | Meisterschaft GT SUS 1M |M3 Control Arms | M3 Sways | M3 Rear Subframe Bushings | Wavetrac LSD | AST 4200 DA Coilovers | HRE R43 | Hankook R-S3 |Full BMW Performance Interior | Revozport 1M Raze Aero Package in Satin Carbon |1M Body Conversion|