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      09-02-2013, 08:43 PM   #1590
justpete
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Drives: '11 328i '16 550i
Join Date: Jan 2012
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2011 BMW 328i  [5.00]
2016 BMW 550i  [4.12]
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, BMW Aero, CF hood/boot, PI+CAI+RM+3IM+AA, SS+CI528+ThermoTec+PE, AKG eng, UUC trans, Delrin diff/RS, CM 850, UCP, CAE shftr, AKG DSSR, PG 3.91 30/60 LSD+BW cooler, C&R, Setrab, Accusump, HVT 3-way+Swift, M3 arms/links, Aurora PR+BW sphericals, Vorshlag CPs, M3 brace+UR bar, ARC-8 18x8.5, 255 R1R, RB/M3 rotors, 135i calipers, ST kit+Ti, RS29, RT700, Safecraft, OMP HTE-R+804F+QD Superquadro, 4pt roll bar, Braille, RT DL1