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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > JB4 gear dependent boost control!



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      12-16-2010, 04:00 PM   #45
Mike@N54Tuning.com
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Mods, Can we have this thread cleaned up a bit....

Mike
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      12-16-2010, 05:30 PM   #46
Mike@N54Tuning.com
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Another little innovation from BMS. You can now disable the system by pressing a button on the steering wheel for burn outs, etc.

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Had an interesting issue come up in testing. A customer was not able to do much of a burn out with the boost limiting in place. So we came up with an easy way to bypass the system if you want to do a burn out, have more traction than you expected, or just like gadgets. Just press any button on the left hand side of the steering wheel (I use the talk button as I don't have blue tooth) and it will revert back to your non-limited boost curve.

As a demo I did a short log in 2nd gear tapping the button about half way between the pull. You can see the boost target jump up to normal when I press it and then back down to reduced torque when I let go. Nifty.
Mike
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