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      09-03-2013, 11:11 AM   #1591
Andrew@ActiveAutowerke
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Drives: 2014 435I M-sport
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Quote:
Originally Posted by justpete View Post
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.
"stage 3" would be a 3 stage manifold tune.
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