BMS has a CP available now, check their site. Inexpensive and looks good. I've got the ER, flawless but it is ridiculously expensive for a simple pipe.
2009 E90 335i - All go, no show
Mr. 5 Intake, VRSF FMIC, Quaife LSD, BMW PS, M3 Bits, RE Toes, ER CP, Forge DV, JB4, PSS