View Single Post
      09-02-2013, 08:43 PM   #1590
Brigadier General

Drives: '11 328i '16 550i
Join Date: Jan 2012
Location: DFW

iTrader: (0)

Garage List
2011 BMW 328i  [5.00]
2016 BMW 550i  [4.12]
Originally Posted by smellthebeans View Post
What's the difference between stage 2 and the stage 3? Exhaust header cat delete?
As far as I know stage 2 is an on-road tune for an N52 engine with std non-3-stage manifold. Dunno what a stage 3 tune is, don't think there is one really. There are custom tunes with headers, etc. and off-road tunes, iIRC. Andrew's the guy with the right answers though.
2011 E90 328i ZSP 6MT, 2960#, BMW Aero, CF hood/boot, PI+CAI+RM+3IM+BPC, SS+CI528+ThermoTec+SS#1+Burns, AKG eng, UUC trans, Delrin diff/RS, CM 850, UCP, CAE, AKG DSSR, DiffsOnline 3.91 30/90 LSD+BW cooler, C&R, Setrab, Accusump, AST 3-way+Swift, all Aurora PR+BW spherical, Vorshlag CPs, M3 brace+UR bar, ARC-8 18x8.5, 255 R1R, RB/CSL rotors, 135i calipers, RS29, RT700, Safecraft, OMP HTE-R+804F+QD Superquadro, 8pt cage+FIA, Braille, RT DL1Mk3