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      09-02-2013, 08:43 PM   #1590
justpete
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Drives: 328i
Join Date: Jan 2012
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2011 BMW 328i  [5.00]
Quote:
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.
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2011 E90 328i ZSP 6MT, PI+RM+3IM+AAstg3, SS+CI528+ThermoTec+PE, AKG eng/UUC trans mnts, CM 850, UCP, CAE shifter, AKG DSSR, PG 3.73 2-way 100% LSD+BW cooler, HVT 3-way+Swift, adj end links, Delrin diff/RS, M3 arms/links, toe arms+Aurora PR, all BW spherical bearings, Vorshlag CPs, M3 brace+UR bar, ARC-8 18x8.5, 255 R1R, 135i calipers+ST kit+Ti, BW guide bushings, XP10, ST lines, RT700, F30 shields, Safecraft, Schroth, M3 steering wheel, Braille