Just installed my Cobb v3 yesterday with the Stage 1 Aggressive map and aFe DCI. Only went out driving for a bit but the gains were VERY noticeable, also the turbo spool is significantly louder, sounds great. Tonight will be the Cobb fmic, er charge pipe, and Tial bov.
2009 e90 335i | AT | AG M590 | Conti DW | KW V1 | Lux | Akebono
e50 PTF Protune | Cobb FMIC | aFe DCI | VRSF DPs | ER CP | Tial BOV | Alpina Flash | Fuel-It Stg1 | RB PCV | Cobb Exhaust