Quote:
Originally Posted by john970
Correct me if I'm wrong here, but I thought dynos take altitude, temperature, and humidity into consideration and correct it so you can compare apples to apples.
Not sure I would want to "make up the difference" as you don't get anything for free. More boost = higher turbine rpm = more lag, no matter the altitude. What the question here is is what the stock 135i ECU behavior is. All I was able to learn so far is that it does take altitude into effect in determining the waste gate position, but I don't know how.
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There are user programmable tunes so you can have the boost increased slowly over stock as the rpm's climb so the lag isn't noticable. Mine is 10psi at 3k, 11@4k,
11.5@4.5,
12@5,
13@5.5, 14@6k, etc.