Quote:
Originally Posted by BMWN54tech
You are right, I was referring to pressure in the charge pipe measured via the tmap as SLIGHT pressure over atmosphere, but yes diverter valves will dump the pressure.
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Gotcha.... I've noticed that as well, but it's very slight as you say. This guy says he's seeing a few psi of boost, which definitely wouldn't be normal. Probably a Procede thing.