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      07-03-2012, 01:09 PM   #19

Drives: 2009 135i 6MT
Join Date: Feb 2010
Location: Maryland

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2009 135i  [3.25]
Originally Posted by MDORPHN View Post
What do you figure it's worth on a car with a stock tune and no other mods?

For perspective, Dinan claims their CAI adds +14 Hp with their Stage 3 tune, +12 with Stage 2, +9 with Stage 1, and +5 with a stock tune.

I know people have dyno'd bigger gains than these, but I expect the proportions are pretty accurate.

...adding: I guess the Dinan Stage 1 tune is comparable to stock 1M.

Last edited by GaryS; 07-03-2012 at 01:21 PM.