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      04-25-2024, 04:55 PM   #8
thejeremyman9
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Drives: 2015 BMW 335i
Join Date: May 2019
Location: Cali

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Quote:
Originally Posted by lucasborka View Post
Oh alright! Yeah the boost seems to be 100% on point, which is good. And STFT in the ballpark

But did you ever feel the closure? I can clearly hear the DV dump and the car jolts.

If I go back to XHP stage 2 I never feels it
Occasionally i can feel a slight loss of power for a split sec when shifting into the higher gears but its not really a strong jolt and it rarely happens. TBH i would just run stage 2 XHP. I switched back after the pure drivetrain article and i feel like there is no loss of performance and the car drives a bit smoother and more consistent.

MHD is very sensitive to overboost and quick to react if boost mani exceeds target (and relatedly if load exceeds target). Basically i think what is happening is when your boost control is so close to target and you shift quickly into a higher gear with more, the higher load pushes the boost over target right after the higher gear engages and what you feel/see in the logs is the reaction to the overboost.
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