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      01-02-2021, 11:32 PM   #17
wifes first bimmer
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Drives: 330i, i3, '82 R65LS
Join Date: Oct 2015
Location: San Jose, CA

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Quote:
Originally Posted by pneumodoc View Post
This may sound dumb-but does your ECU adjust to the added boost and over time drop it down somewhat? I have a JB+ at 3 o’clock and wondering if it just figures it out and adjusts. Definitely became smoother over time, but also infrequently push the car hard.
I have had mine for a year or so and I see a solid 21.9 psi peak (from the TT app). However, the JB+ only intercepts 1 sensor so I don't know what your outcome is, adaptation wise. The TT intercepts 2 sensors - the boost sensor AND the manifold pressure sensor (like a JB4 or DINAN Sport or Racechip).
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MODS: Turbo Transformer boost controller, ECO-SPORT auto selector (home brew), Electronic boost gauge vent mounted, RPM based LED Carbon paddles

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